released after agreeing to wear ankle bracelet. he walls shot and killed by british police yesterday after stabbing five people while wearing a fake suicide vest on the london bridge. a man and woman were killed during this attack. three others injured. now prime minister boris johnson is calling on tougher sentences for convicts. >> i have long long argued it is a mistake to allow serious and violent criminals to come out of prison early. and it is very important that we get out of that habit. >> this saul happening just days before president trump is due to fly to london for the nato summit where the u.s. withdrawal of troops from syria and fears of an isis resurgence will be top of mind. even more now as fox news has learned isis received new pledges during the london attacks.