Police investigating Saturday night’s terror attack in London say they know the identity of the three attackers who killed seven people and injured 48. The Met Police said their names would be released “as soon as operationally possible” as officers work to establish if they were part of a wider network, saying it was “an attack on the free world”. Police said a “number of people” had been detained following raids. Eleven people are being held after police raids in Barking on Sunday. One of the properties is believed to be the home of one of the attackers.