British Prime Minister Liz Truss on Friday sacked Conor Burns, a junior minister at the international trade department, following allegations of serious misconduct, her office said on Friday.

"Following a complaint of serious misconduct, the prime minister has asked Conor Burns MP to leave the government with immediate effect," a spokesperson for Truss's office said.

"The prime minister took direct action on being informed of this allegation and is clear that all ministers should maintain the high standards of behavior – as the public rightly expects."

(With input from Reuters)