Anglo-Iranian community members belonging to National Council of Resistance of Iran throw flower petals at a memorial and wall of condolence for British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Henry Nicholls 

A person leaves a card at a memorial and wall of condolence for British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Henry Nicholls 

An Anglo-Iranian community member belonging to National Council of Resistance of Iran leaves flowers at a memorial and wall of condolence for British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Henry Nicholls 

An Anglo-Iranian community member belonging to National Council of Resistance of Iran leaves flowers at a memorial and wall of condolence for British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Henry Nicholls 

An Anglo-Iranian community member belonging to National Council of Resistance of Iran leaves flowers at a memorial and wall of condolence for British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Henry Nicholls 

A Parliamentary worker lays flowers in memory of British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Toby Melville 

People console each other as they stand near flowers laid in memory of British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Toby Melville 

An Anglo-Iranian community member belonging to National Council of Resistance of Iran builds a temporary memorial and wall of condolence British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Toby Melville 

A member of Freedom Hunters for Tamils holds a photograph of British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Toby Melville 

Members of Freedom Hunters for Tamils hold a candle and a placard with a photograph of British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Houses of Parliament in London, Britain October 18, 2021. REUTERS/Toby Melville 

A woman takes a picture of a mural of British MP David Amess, who was stabbed to death during a meeting with constituents, at a skate park in Leigh-on-Sea, Britain, October 18, 2021. REUTERS/Andrew Couldridge 

Skateboarder Frances Murray skates in front of a mural of British MP David Amess, who was stabbed to death during a meeting with constituents, at a skate park in Leigh-on-Sea, Britain, October 18, 2021. REUTERS/Andrew Couldridge 

General view of a mural of British MP David Amess, who was stabbed to death during a meeting with constituents, at a skate park in Leigh-on-Sea, Britain, October 18, 2021. REUTERS/Andrew Couldridge 

A mural of British MP David Amess, who was stabbed to death during a meeting with constituents, is pictured at a skate park in Leigh-on-Sea, Britain, October 18, 2021. REUTERS/Andrew Couldridge 

A woman looks at flower tributes to British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, outside of the Parliament buildings in London, Britain October 18, 2021. REUTERS/Toby Melville 

An Union Jack flag flies at half mast after British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, on top of the Victoria Tower of Parliament buildings in London, Britain October 18, 2021. REUTERS/Toby Melville 

Flowers with a note for British MP David Amess who was stabbed to death during a meeting with constituents at Belfairs Methodist Church, lie outside Parliament buildings in London, Britain October 18, 2021. REUTERS/Toby Melville 

People light candles following a service of reflection in memory of British MP David Amess, who was stabbed to death during a meeting with constituents, at the church of St Michael's and all Angels, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

A service of reflection is held in memory of British MP David Amess, who was stabbed to death during a meeting with constituents, at the church of St Michael's and all Angels, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

A service of reflection is held in memory of British MP David Amess, who was stabbed to death during a meeting with constituents, at the church of St Michael's and all Angels, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

A service of reflection is held in memory of British MP David Amess, who was stabbed to death during a meeting with constituents, at the church of St Michael's and all Angels, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

A candle and a portrait of British MP David Amess, who was stabbed to death during a meeting with constituents, are seen at the church of St Michael's and all Angels, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

A candle and a portrait of British MP David Amess, who was stabbed to death during a meeting with constituents, are seen at the church of St Michael's and all Angels, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

A candle and a portrait of British MP David Amess, who was stabbed to death during a meeting with constituents, are seen at the church of St Michael's and all Angels, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

Candles and a portrait of British MP David Amess, who was stabbed to death during a meeting with constituents, are seen at the church of St Michael's and all Angels, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

Members of the Essex Bangladeshi Welfare Association pay their respects next to floral tributes laid at the scene where British MP David Amess was stabbed to death during a meeting with constituents at Belfairs Methodist Church, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

Police officers set up a forensics tent in the front garden of a house local media reported to be an address belonging to a man arrested in connection with the killing of British MP David Amess, who was stabbed to death during a meeting with constituents, as other officers stand guard outside, in London, Britain, October 17, 2021. REUTERS/Henry Nicholls 

British MP Mark Francois lays flowers at the scene where MP David Amess was stabbed to death during a meeting with constituents at Belfairs Methodist Church, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

Police officers set up a forensics tent in the front garden of a house believed to be an address belonging to a man arrested in connection with the killing of British MP David Amess, who was stabbed to death during a meeting with constituents, in London, Britain, October 17, 2021. REUTERS/Henry Nicholls 

Flowers and a card signed 'Redbridge Council' are seen at the scene where British MP David Amess was stabbed to death during a meeting with constituents at Belfairs Methodist Church, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

Flowers and a card signed by Britain's MP for the Ilford North constituency Wes Streeting are seen at the scene where British MP David Amess was stabbed to death during a meeting with constituents at Belfairs Methodist Church, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

Britain's MP for the Ilford North constituency Wes Streeting and leader of Redbridge London Borough Council Jas Athwal carry flowers to lay at the scene where British MP David Amess was stabbed to death during a meeting with constituents at Belfairs Methodist Church, in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

Tributes to British MP David Amess, who was stabbed to death during a meeting with constituents, are seen in Leigh-on-Sea, Britain, October 17, 2021. REUTERS/Chris Radburn 

A member of the scientific police enters the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Andrew Couldridge TPX IMAGES OF THE DAY 

A police officer guards the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Tony O'Brien 

A forensic specialist works at the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Tony O'Brien 

Flowers and a ballon are pictured outside the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Andrew Couldridge 

A police office enters the local conservative association and constituency office of stabbed MP David Amess after he was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Peter Nicholls 

Flowers lie outside the local conservative association and constituency office of stabbed MP David Amess after he was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Peter Nicholls 

A member of the scientific police and police officers are seen at the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Andrew Couldridge 

Flowers lie next to the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Andrew Couldridge 

A police officer guards the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Tony O'Brien 

Police officers guard the local conservative association and constituency office of stabbed MP David Amess after he was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Peter Nicholls 

Police officers guard the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Tony O'Brien 

A police officer guards the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Tony O'Brien 

A woman brings flowers to the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Tony O'Brien 

A member of the scientific police walks next to the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Andrew Couldridge 

Forensic specialists work at the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Tony O'Brien 

A forensic specialist works at the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Tony O'Brien 

A member of the scientific police enters the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Andrew Couldridge 

A worker lowers the British Union flag after MP David Amess was stabbed during constituency surgery, on the roof of 10 Downing Street, London, Britain October 15, 2021. REUTERS/Toby Melville 

Police are seen at the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Tony O'Brien 

Police officers are seen at the scene where MP David Amess was stabbed during constituency surgery, in Leigh-on-Sea, Britain October 15, 2021. REUTERS/Andrew Couldridge