An Israeli air strike on an emergency response centre in north-eastern Lebanon on Thursday killed at least 15 rescue workers, officials say, in one of the deadliest attacks of its kind involving Lebanese emergency responders in the war.

The Israeli attack on Iran in late October destroyed an active top secret nuclear weapons research facility in Parchin, according to three U.S. officials, one current Israeli official and one former Israeli official.

A man who worked for the U.S. government has been charged with leaking classified information assessing Israel’s earlier plans to attack Iran, according to court papers filed Wednesday.