Authorities said 21 people remained in critical condition Sunday after a rampage at the iconic London Bridge and a nearby market that left seven dead and dozens more injured.  Three suspected terrorists also were killed in Saturday night’s attack, the third in Britain in less than three months.  “It is time to say enough is enough,” Prime Minister Theresa May said Sunday. She called for tougher measures to contain Islamic extremism, saying the recent attacks are not directly

linked, but “terrorism breeds terrorism.”  “They are bound together by the single evil ideology of Islamist extremism that preaches hatred, sows division, and promotes sectarianism,” she said. “It is an ideology that claims our Western values and freedom, democracy and human rights are incompatible with the religion of Islam.” No group has claimed responsibility for the attack. Eyewitnesses said they heard the men shout “this is for Allah,” British media reported. READ MORE