you're watching "cnn newsroom." it is always good to have you with us. i'm george howell with the headlines we're following for you at this hour. the british prime minister they are theresa may warns another terror attack can be imminent, this after an take at the london tube. that station parsons green reopened just a few hours ago. the country's terror left has been raised to critical. that's the highest level. a manhunt under way for the person or people responsible. in north korea, kim jong-un said the missile launch was perfect and indicated there would be many more. this was the second time in less than a month that north korea has launched a missile that flue over part of japan. the u.n. security council on friday condemned the test as highly provocative. facebook has given special investigator robert mueller and his group known as the internet research agency.