British police name third London Bridge attacker as Youssef ZaghbaItalian authorities had warned Britain about him.Police attend to an incident on London Bridge in London, Britain, June 3, 2017.(photo credit: REUTERS / HANNAH MCKAY TPX)
Police attend to an incident on London Bridge in London, Britain, June 3, 2017.(photo credit: REUTERS / HANNAH MCKAY TPX)Updated: