A jury found Hadi Matar, 27, guilty after a little less than two hours of deliberations following a trial in Chautauqua County Court, New York.

Sir Keir has faced pressure to take a firm line with Mr Trump on support for Ukraine when he visits the US next week.

Sinn Fein has defended its decision to boycott Washington DC for St Patrick’s Day amid criticism from political opponents across the island of Ireland. The party’s leadership, which normally travels ...