Middle East killings may bring back terror attacks to UK, says ex-MI6 chief

Sir John Sawers says intelligence agencies should be on their toes' after deaths of Hamas and Hezbollah leaders

A return of Islamic extremist terror attacks on British soil could be triggered by the killings of Hamas and Hezbollah leaders, the former head of MI6 has said.

Sir John Sawers said police and intelligence agencies in Britain should be on their toes" after changes of leadership at terrorist organisations in the Middle East.