Journalists work outside a building before entering a bank where an unidentified man reportedly threatens to blow up a bomb, in Kyiv, Ukraine August 3, 2020. REUTERS/Gleb Garanich

Ukrainian law enforcement officers are seen outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Gleb Garanich

Members of the Security Service of Ukraine (SBU) enter a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Gleb Garanich

Members of the Security Service of Ukraine (SBU) stand outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Gleb Garanich

Members of a Ukrainian special forces unit detain a man who threatened to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Gleb Garanich

Members of a Ukrainian special forces unit are seen outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Valentyn Ogirenko

Members of a Ukrainian special forces unit are seen outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Valentyn Ogirenko

Police officers stand guard outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Valentyn Ogirenko

A law enforcement officer walks outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Gleb Garanich

A view show a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Gleb Garanich

Law enforcement officers are seen outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Valentyn Ogirenko

Law enforcement officers are seen outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Valentyn Ogirenko

Law enforcement officers stand guard outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Gleb Garanich

Law enforcement officers are seen outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Valentyn Ogirenko

Law enforcement officers are seen outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Valentyn Ogirenko

Police officers stand guard outside a building where an unidentified man reportedly threatens to blow up a bomb in a bank branch, in Kyiv, Ukraine August 3, 2020. REUTERS/Valentyn Ogirenko

Crimean Tatars prepare to slaughter sacrificial sheep during the Muslim holiday of Eid al-Adha in the town of Saky, Crimea July 31, 2020. REUTERS/Alexey Pavlishak

Men put a sheep in the back of a vehicle during the Muslim holiday of Eid al-Adha in the town of Saky, Crimea July 31, 2020. REUTERS/Alexey Pavlishak

A man carry a carcass of a sacrificed sheep during the Muslim holiday of Eid al-Adha in the town of Saky, Crimea July 31, 2020. REUTERS/Alexey Pavlishak

A man hangs a carcass of a sacrificed sheep during the Muslim holiday of Eid al-Adha in the town of Saky, Crimea July 31, 2020. REUTERS/Alexey Pavlishak

Crimean Tatars slaughter sheep after attending prayers during the Muslim holiday of Eid al-Adha in the town of Saky, Crimea July 31, 2020. REUTERS/Alexey Pavlishak

Men carry a sheep to a vehicle during the Muslim holiday of Eid al-Adha in the town of Saky, Crimea July 31, 2020. REUTERS/Alexey Pavlishak

A man uses a plastic bag as a face mask as he walks past a cafe amid the coronavirus disease (COVID-19) outbreak in Kyiv, Ukraine July 31, 2020. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY

A man uses a plastic bag as a face mask as he walks in a street amid the coronavirus disease (COVID-19) outbreak in Kyiv, Ukraine July 31, 2020. REUTERS/Gleb Garanich

A man wearing a protective face mask amid the outbreak of the coronavirus disease (COVID-19) stands in front of a social poster in central Kyiv, Ukraine July 30, 2020. REUTERS/Gleb Garanich

A serviceman wearing a protective face mask amid the outbreak of the coronavirus disease (COVID-19) walks in a street in central Kyiv, Ukraine July 30, 2020. REUTERS/Gleb Garanich

A group of supporters cheer, wave, take pictures and record video as U.S. President Donald Trump arrives to hold a private campaign fundraiser closed to press and public in Odessa, Texas, U.S., July 29, 2020. REUTERS/Carlos Barria TPX IMAGES OF THE DAY

A small group of people watch as U.S. President Donald Trump arrives to hold a private campaign fundraiser closed to press and public at a hotel in Odessa, Texas, U.S., July 29, 2020. REUTERS/Carlos Barria

A line of local school busses sit deployed in a parking lot to block access and the view of a hotel where U.S. President Donald Trump is holding a private campaign fundraiser closed to press and public in Odessa, Texas, U.S., July 29, 2020. REUTERS/Carlos Barria

Trump re-election campaign signs and "Make America Great Again" hats sit on a table outside a campaign fundraiser for U.S. President Donald Trump closed to press and public at a hotel in Odessa, Texas, U.S., July 29, 2020. REUTERS/Carlos Barria

Faithfuls and priests of the Ukrainian Orthodox Church of the Kyiv Patriarchate take part in a service marking the Christianisation of the country, which was known as Kievan Rus at the time, by its grand prince Vladimir I (Vladimir the Great) in 988AD, in Kyiv, Ukraine July 28, 2020. REUTERS/Gleb Garanich

Faithfuls and priests of the Ukrainian Orthodox Church of the Kyiv Patriarchate take part in a service marking the Christianisation of the country, which was known as Kievan Rus at the time, by its grand prince Vladimir I (Vladimir the Great) in 988AD, in Kyiv, Ukraine July 28, 2020. REUTERS/Gleb Garanich

Patriarch Filaret, head of the Ukrainian Orthodox Church of the Kyiv Patriarchate takes part in a service marking the Christianisation of the country, which was known as Kievan Rus at the time, by its grand prince Vladimir I (Vladimir the Great) in 988AD, in Kyiv, Ukraine July 28, 2020. REUTERS/Gleb Garanich

A serviceman is seen inside a paid cell with upgraded conditions in a pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

A serviceman stands next to a door of a cell inside an old pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

A door of a cell is seen in an old pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

A corridor of an old pre-trial detention facility is seen in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

Detainees are seen in an old cell in a pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

A serviceman is seen in an old pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

Detainees are seen in an old cell in a pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

A serviceman is seen in a renovated part of a pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

A window of an old cell is seen in a pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

Detainee Danil is seen in a cell, the refurbishment of which was done using cash from a paid cell with upgraded conditions, in a pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

Ukrainian Justice Minister Denys Maliuska speaks during an interview with Reuters in a pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

Ukrainian Justice Minister Denys Maliuska speaks during an interview with Reuters in a pre-trial detention facility in Kyiv, Ukraine July 27, 2020. Picture taken July 27, 2020. REUTERS/Gleb Garanich

Serhii Zhuravel, father of Ukrainian marine Yaroslav Zhuravel, who was killed in the fighting against pro-Russian separatists in the country's east, reacts during a rally against the terms of a ceasefire in eastern Ukraine agreed last week by negotiators from Ukraine, Russia and the Organization for Security and Co-operation in Europe (OSCE), in front of the Presidential Administration building in Kyiv, Ukraine July 27, 2020. REUTERS/Valentyn Ogirenko

Serhii Zhuravel, father of Ukrainian marine Yaroslav Zhuravel, who was killed in the fighting against pro-Russian separatists in the country's east, attends a rally against the terms of a ceasefire in eastern Ukraine agreed last week by negotiators from Ukraine, Russia and the Organization for Security and Co-operation in Europe (OSCE), in front of the Presidential Administration building in Kyiv, Ukraine July 27, 2020. REUTERS/Valentyn Ogirenko

People attend a rally against the terms of a ceasefire in eastern Ukraine agreed last week by negotiators from Ukraine, Russia and the Organization for Security and Co-operation in Europe (OSCE), in front of the Presidential Administration building in Kyiv, Ukraine July 27, 2020. REUTERS/Valentyn Ogirenko

People attend a rally against the terms of a ceasefire in eastern Ukraine agreed last week by negotiators from Ukraine, Russia and the Organization for Security and Co-operation in Europe (OSCE), in front of the Presidential Administration building in Kyiv, Ukraine July 27, 2020. REUTERS/Valentyn Ogirenko

People attend a rally against the terms of a ceasefire in eastern Ukraine agreed last week by negotiators from Ukraine, Russia and the Organization for Security and Co-operation in Europe (OSCE), in front of the Presidential Administration building in Kyiv, Ukraine July 27, 2020. REUTERS/Valentyn Ogirenko

People attend a rally against the terms of a ceasefire in eastern Ukraine agreed last week by negotiators from Ukraine, Russia and the Organization for Security and Co-operation in Europe (OSCE), in front of the Presidential Administration building in Kyiv, Ukraine July 27, 2020. The placard reads: "Fight with Russia, but not with patriots". REUTERS/Valentyn Ogirenko

Demonstrators burn flares during a rally against the terms of a ceasefire in eastern Ukraine agreed last week by negotiators from Ukraine, Russia and the Organization for Security and Co-operation in Europe (OSCE), in front of the Presidential Administration building in Kyiv, Ukraine July 27, 2020. REUTERS/Valentyn Ogirenko

People attend a rally against the terms of a ceasefire in eastern Ukraine agreed last week by negotiators from Ukraine, Russia and the Organization for Security and Co-operation in Europe (OSCE), in front of the Presidential Administration building in Kyiv, Ukraine July 27, 2020. REUTERS/Valentyn Ogirenko

Local resident Nikolay Shuliga, 63, feeds pigeons in the yard of his house in the rebel-controlled village of Vesele (Veseloye) near the separation line between militants of the self-proclaimed Donetsk People's Republic and the Ukrainian armed forces in Donetsk region, Ukraine, July 27, 2020. REUTERS/Alexander Ermochenko

Local resident Katerina Izvekova, 77, shows her house damaged during a military conflict between militants of the self-proclaimed Donetsk People's Republic and the Ukrainian armed forces near the separation line in the rebel-controlled village of Vesele (Veseloye) in Donetsk region, Ukraine, July 27, 2020. REUTERS/Alexander Ermochenko TPX IMAGES OF THE DAY

Local resident Katerina Izvekova, 77, shows her house damaged during a military conflict between militants of the self-proclaimed Donetsk People's Republic and the Ukrainian armed forces near the separation line in the rebel-controlled village of Vesele (Veseloye) in Donetsk region, Ukraine, July 27, 2020. REUTERS/Alexander Ermochenko

A street vendor adjusts an umbrella as she waits for customers on a street in Kyiv, Ukraine July 27, 2020. REUTERS/Valentyn Ogirenko

The sailing ship Khersones and the Russian Navy's guided missile cruiser Atlant take part in the Navy Day parade in the Black Sea port of Sevastopol, Crimea July 26, 2020. REUTERS/Alexey Pavlishak

People watch the Navy Day parade in the Black Sea port of Sevastopol, Crimea July 26, 2020. REUTERS/Alexey Pavlishak

People watch the Navy Day parade in the Black Sea port of Sevastopol, Crimea July 26, 2020. REUTERS/Alexey Pavlishak