Deadly rampage on London Bridge

Gathering south of London Bridge, menhold placards denouncing the attackers as not following Islam.  (Justin Tallis / AFP/Getty Images)

A police forensics officer walks out of a house during a operation in Ilford, east London, on Tuesday.  (Daniel Leal-Olivas / AFP/Getty Images)

Police forensic officers on Tuesday work on Borough High Street, close to Borough Market, where the attackers stabbed people Saturday night.  (Justin Tallis / AFP/Getty Images)

People gather for a vigil in Potters Fields Park in London on Monday to commemorate the victims of the terrorist attack on London Bridge and at Borough Market.  (Daniel Leal-Olivas / AFP/Getty Images)

Members of the Dawoodi Bohra Muslim community join others at a vigil at Potters Fields Park in London on Monday to commemorate the victims of the terror attack on London Bridge and at Borough Market.  (Daniel Leal-Olivas / AFP/Getty Images)

From left: London Home Secretary Amber Rudd, Mayor Sadiq Khan and Shadow Home Secretary Diane Abbott hold flowers at Potters Fields Park in London on June 5, 2017, during a vigil to commemorate the victims of the terror attack on London Bridge and at Borough Market.  (NIKLAS HALLE’N / AFP/Getty Images)

People attend a vigil for victims of Saturday’s attack at Potters Fields Park in London on Monday.  (Tim Ireland / Associated Press)

Members of the Dawoodi Bohra Muslim community join others as they lay flowers during a vigil at Potters Fields Park in London.  (Niklas Halle’n / AFP/Getty Images)

People gather for a vigil at Potters Fields Park on Monday to commemorate the victims of the terrorist attack on London Bridge and at Borough Market.  (Niklas Halle’n / AFP/Getty Images)

Hundreds gather for the vigil in Potters Fields Park.  (Jack Taylor / Getty Images)

People gather at London’s Potters Fields Park along the River Thames.  (Odd Andersen / AFP/Getty Images)

A man reattaches a missing-person poster above floral tributes on London Bridge, after it was reopened on Monday following the Saturday night attack.  (Leon Neal / Getty Images)

Police forensics officers work at a residential property in east London on Monday as part of their investigations into the terrorist attacks.  (Daniel Leal-Olivas / AFP/Getty Images)

A police dog handler arrives to work during an attacks-related investigation at a residential property in east London on June 5.  (Daniel Leal-Olivas / AFP/Getty Images)

A man leaves flowers at a tribute in the London Bridge area on June 5.  (Alastair Grant / Associated Press)

Police forensic officers work near Borough Market in London on June 4, 2017, as police continue their investigations following the June 3 terror attack.  (Niklas Halle’n / AFP/Getty Images)

Police forensic officers work near Borough Market in London on June 4, 2017, as police continue their investigations following the June 3 terror attack.  (Niklas Halle’n / AFP/Getty Images)

Britain’s Prime Minister Theresa May delivers a statement outside 10 Downing Street in central London on June 4, 2017, following the June 3 terror attack.  (Justin Tallis / AFP/Getty Images)

A police officer places a rose at the scene of last night’s terrorist attack on London Bridge on June 4, 2017 in London, England.  (Dan Kitwood / Getty Images)

A police officer stands near first-aid debris on Thrale Street on June 4, 2017 in London, England.  (Leon Neal / Getty Images)

British police work with a detection dog after the attack.  (Matt Dunham / AP)

Armed British police work within a cordoned-off area Sunday after the London Bridge attack.  (Matt Dunham / AP)

Police and emergency crews attend to victims of a terror attack on London Bridge.  (Daniel Sorabji / AFP/Getty Images)

Armed police raid The Blue Eyed Maid in Borough High Street at London Bridge.  (Carl Court / Getty Images)

Armed police stand over two suspects shot at the scene of the terror attack outside Borough Market in central London.  (Gabriele Sciotto / AFP/Getty Images)

Guests from the Premier Inn Bankside Hotel are evacuated and kept in a group with police on Upper Thames Street after the attack in central London.  (Yui Mok / AP)

Police mobilize at London Bridge after reports of a van hitting pedestrians.  (Will Oliver / EPA)

Police clear the area near Borough Market at London Bridge.  (Dan Kitwood / Getty Images)

Counter-terrorism special forces gatherat London Bridge.  (Dan Kitwood / Getty Images)

Armed police stand guard on London Bridge after reports of the attack.  (Dominic Lipinski / AP)

People run down Borough High Street in London after the attack, which closed London Bridge in both directions.  (Dominic Lipinski / Associated Press)

An officer looks through his scope on London Bridge.  (Dominic Lipinski / AP)

Police cars block the entrance to London Bridge after reports of the attack.  (Daniel Sorabji / AFP/Getty Images)

Emergency crews tend to the injured on London Bridge after the attack.  (Dominic Lipinski / AP)

Police take positions on Borough High Street after the attack.  (Dominic Lipinski / AP)

People run down Borough High Street in London after the attack on London Bridge.  (Dominic Lipinski / AP)

An armed police officer stands on Borough High Streetin London after the attack.  (Dominic Lipinski / Associated Press)

People walk down Borough High Street after the attack on London Bridge.  (Dominic Lipinski / Associated Press)

Police turn out in force on Borough High Street after the London Bridge attack.  (Dominic Lipinski / AP)