Theresa May has said she is "pleased" the United States has agreed a temporary exemption from import tariffs for EU steel and aluminium. Arriving at a summit in Brussels, Mrs May also welcomed EU leaders agreeing with the UK Government assessment that it is "highly likely" Russia was behind the chemical weapons attack in Salisbury. Report by Chulanin. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn