a greater risk to civilians. what u.s. intel is saying about how many are being used. and in about face for the former new york mayor. rudy giuliani backing down from testifying at his defamation trial. closing arguments underway as we speak. following these major developing stories and more all coming here to cnn news central. counterterror agencies have been on high alert in wake of the hamas attacks on october 7th and the ongoing war with israel. today, officials of several european countries have made terror-related arrests. details are still coming in, but here is what we know as of right now. german authorities say they have arrested long-standing hamas members for an alleged terror plot. officials in denmark have apparently made what they call unrelated terrorists. let s bring in cnn s fred pleitgen in berlin. there are so many moving parts here, it s a little confusing. tell us what we are learning from germany about all of this. reporter: first of all you