Azerbaijani law enforcement officers detain an activist protesting against domestic violence and violence against women in Baku, Azerbaijan October 20, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers detain a man during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers stand guard during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

An Azerbaijani law enforcement officer detains a man during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers stand guard during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers detain a man during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers detain a man during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers stand guard during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers stand guard during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

An Azerbaijani law enforcement officer detains a man during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers detain a man during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers stand guard during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers detain a man during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers detain a participant of an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

Azerbaijani law enforcement officers detain a man during an unauthorized rally held by opposition activists and supporters, who demand the freedom of assembly in Baku, Azerbaijan October 19, 2019. REUTERS/Aziz Karimov

An Azerbaijani armoured vehicle drives during the International Army Games at the 40th military base Otar in Zhambyl Region, Kazakhstan August 7, 2019. REUTERS/Pavel Mikheyev

An Azerbaijani shi'ite Muslim man looks on outside his shop, after prayers during the holy month of Ramadan at Juma Mosque in the old town of Baku, Azerbaijan May 30, 2019. REUTERS/Amr Abdallah Dalsh

An Azerbaijani sunni Muslim man attends afternoon prayers during the holy month of Ramadan at Juma Mosque in the old town of Baku, Azerbaijan May 30, 2019. REUTERS/Amr Abdallah Dalsh

An Azerbaijani sunni Muslim man attends afternoon prayers during the holy month of Ramadan at Juma Mosque in the old town of Baku, Azerbaijan May 30, 2019. REUTERS/Amr Abdallah Dalsh

An Azerbaijani shi'ite Muslim man attends afternoon prayers during the holy month of Ramadan at Juma Mosque in the old town of Baku, Azerbaijan May 30, 2019. REUTERS/Amr Abdallah Dalsh

An Azerbaijani shi'ite Muslim man attends afternoon prayers during the holy month of Ramadan at Juma Mosque in the old town of Baku, Azerbaijan May 30, 2019. REUTERS/Amr Abdallah Dalsh

An Azerbaijani shi'ite muslim man attends afternoon prayers during the holy month of Ramadan at Juma Mosque in the old town of Baku, Azerbaijan May 30, 2019. REUTERS/Amr Abdallah Dalsh

An Azerbaijani shi'ite muslim man attends afternoon prayers during the holy month of Ramadan at Juma Mosque in the old town of Baku, Azerbaijan May 30, 2019. REUTERS/Amr Abdallah Dalsh

An Azerbaijani shi'ite muslim man attends afternoon prayers with Turbah on the ground during the holy month of Ramadan at Juma Mosque in the old town of Baku, Azerbaijan May 30, 2019. REUTERS/Amr Abdallah Dalsh

An Azerbaijani shi'ite muslim man attends afternoon prayers during the holy month of Ramadan at Juma Mosque in the old town of Baku, Azerbaijan May 30, 2019. REUTERS/Amr Abdallah Dalsh

Azerbaijani tenor Yusif Eyvazov performs during a gala concert, dedicated to the upcoming World Cup, in Red Square in Moscow, Russia June 13, 2018. Sergei Chirikov/Pool via REUTERS

Azerbaijani Journalist Afgan Mukhtarli greets supporters as he is taken to the court in Baku, Azerbaijan May 31, 2017. REUTERS/Aziz Karimov

Azerbaijani Journalist Afgan Mukhtarli greets supporters as he is taken to the court in Baku, Azerbaijan, May 31, 2017. REUTERS/Aziz Karimov

Azerbaijani Journalist Afgan Mukhtarli greets supporters as he is taken to the court in Baku, Azerbaijan, May 31, 2017. REUTERS/Aziz Karimov

Journalists rally to support an Azerbaijani Journalist Afgan Mukhtarli, who was abducted in Tbilisi on May 29 and now is in detention in Baku, in Tbilisi, Georgia May 31, 2017. REUTERS/David Mdzinarishvili

Journalists rally to support an Azerbaijani Journalist Afgan Mukhtarli, who was abducted in Tbilisi on May 29 and now is in detention in Baku, in Tbilisi, Georgia May 31, 2017. REUTERS/David Mdzinarishvili

A man attends a rally to support an Azerbaijani Journalist Afgan Mukhtarli, who was abducted in Tbilisi on May 29 and now is in detention in Baku, in Tbilisi, Georgia May 31, 2017. REUTERS/David Mdzinarishvili

Leyla Mustafayeva, a wife of an Azerbaijani Journalist Afgan Mukhtarli, who was abducted in Tbilisi on May 29 and now is in detention in Baku, attends a rally in Tbilisi, Georgia May 31, 2017. REUTERS/David Mdzinarishvili

Journalists rally to support an Azerbaijani Journalist Afgan Mukhtarli, who was abducted in Tbilisi on May 29 and now is in detention in Baku, Tbilisi, Georgia May 31, 2017. REUTERS/David Mdzinarishvili

A man casts his vote as he visits a polling station during a referendum on extending the Azerbaijani president's term in office in Baku, Azerbaijan, September 26, 2016. REUTERS/Aziz Karimov

People visit a polling station during a referendum on extending the Azerbaijani president's term in office in Baku, Azerbaijan, September 26, 2016. REUTERS/Aziz Karimov

People visit a polling station during a referendum on extending the Azerbaijani president's term in office in Baku, Azerbaijan, September 26, 2016. REUTERS/Aziz Karimov

Iranian President Hassan Rouhani, Azeri President Ilham Aliyev and Russian President Vladimir Putin attend a signing ceremony after their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Nemenov/Pool TPX IMAGES OF THE DAY

Azeri President Ilham Aliyev makes a speech during a signing ceremony after a meeting with Russian President Vladimir Putin and Iranian President Hassan Rouhani (not seen) in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Nemenov/Pool

Russian President Vladimir Putin makes a speech during a signing ceremony after a meeting with Iranian President Hassan Rouhani and Azeri President Ilham Aliyev (not seen) in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Nemenov/Pool

Iranian President Hassan Rouhani makes a speech during a signing ceremony after a meeting with Russian President Vladimir Putin and Azeri President Ilham Aliyev (not seen) in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Nemenov/Pool

Iranian President Hassan Rouhani, Azeri President Ilham Aliyev and Russian President Vladimir Putin pose for a photo during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Zemlianichenko/Pool

Russian President Vladimir Putin, Iranian President Hassan Rouhani and Azeri President Ilham Aliyev arrive for their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Zemlianichenko/Pool

Iranian President Hassan Rouhani, Azeri President Ilham Aliyev and Russian President Vladimir Putin pose for a photo during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Zemlianichenko/Pool

Iranian President Hassan Rouhani (L) talks to Russian President Vladimir Putin during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Nemenov/Pool

Iranian President Hassan Rouhani and Russian President Vladimir Putin attend a meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Nemenov/Pool

Russian President Vladimir Putin (R) welcomes Iranian President Hassan Rouhani during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Nemenov/Pool

Russian President Vladimir Putin (R) shakes hands with Iranian President Hassan Rouhani during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Nemenov/Pool

Russian President Vladimir Putin speaks to Azerbaijan's President Ilham Aliyev (not seen) during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Zemlianichenko/Pool

Russian President Vladimir Putin (L) speaks to Azerbaijan's President Ilham Aliyev during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Zemlianichenko/Pool

Azerbaijan's President Ilham Aliyev speaks to Russian President Vladimir Putin (not seen) during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Zemlianichenko/Pool

Russian President Vladimir Putin speaks to Azerbaijan's President Ilham Aliyev (not seen) during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Zemlianichenko/Pool

Azerbaijan's President Ilham Aliyev (R) shakes hands with Russian President Vladimir Putin during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Zemlianichenko/Pool

Azerbaijan's President Ilham Aliyev (R) greets Russian President Vladimir Putin during their meeting in Baku, Azerbaijan, August 8, 2016. REUTERS/Alexander Zemlianichenko/Pool

People hold up an Azerbaijani national flag and a sign during a rally in support of Azerbaijan over the conflict in the breakaway Nagorno-Karabakh region, outside the Armenian embassy in Kiev, Ukraine, April 8, 2016. REUTERS/Valentyn Ogirenko

Children play on the street in Nagorno-Karabakh's city of Stepanakert, April 7, 2016. REUTERS/Staff TPX IMAGES OF THE DAY

Bako Sahakyan, the President of breakaway Nagorno-Karabakh region speaks during a news briefing in Stepanakert, April 7, 2016. REUTERS/Staff TPX IMAGES OF THE DAY

An ethnic Armenian soldier takes a rest at an artillery position near the Nagorno-Karabakh's town of Martuni, April 7, 2016. REUTERS/Staff TPX IMAGES OF THE DAY

Ethnic Armenian soldiers stand next to a cannon at artillery positions near the Nagorno-Karabakh's town of Martuni, April 7, 2016. REUTERS/Staff TPX IMAGES OF THE DAY

A tank of the self-defense army of Nagorno-Karabakh moves on the road near the village of Mataghis April 6, 2016. REUTERS/Staff TPX IMAGES OF THE DAY