uk and the united states after president trump met with prime minister theresa may and vowed to plug the leaks that led britain to briefly suspend the intel sharing. for the latest on all the fast-moving developments, we bring in cnn's erin mclaughlin live for us in manchester. good morning to you, erin. what is the latest today? >> reporter: good morning, dave. well, crucially, it seems that authorities are making progress on this investigation, some eight individuals in custody, a number of addresses raided, and authorities say out of those raids they uncovered some very important evidence to this investigation. we're also learning more about the bomber. according to a u.s. official, he may have traveled to syria and been trained by isis in the months leading up to the attack. meanwhile, critical intelligence-sharing has resumed between the united kingdom and the united states. it was temporarily halted yesterday in a diplomatic spat.