The Foreign Office has urged “calm heads and de-escalation” after hundreds of pagers exploded simultaneously across Lebanon and in parts of Syria.At least nine people were killed and thousands wounded on Tuesday in what appeared to be a sophisticated,

A Lebanese official said pagers belonging to Hezbollah militants had exploded, causing a large number of injuries. The Israeli military declined to comment.

At least nine people are dead and around 2,800 injured in Lebanon in an attack targeting the pagers of Hezbollah members, the Lebanese health minister said.