David Cameron met the Middle East peace envoy Tony Blair at the British consulate in Jerusalem.
The two spoke for 20 minutes, discussing the peace process.
Asked whether missile attacks could knock the plan off track, Mr Blair said: "The strikes from Gaza just underline and illustrate the depth of the problem.
More top news
Donald Trump has slammed Alec Baldwin's latest impression of him as "unwatchable" and "sad".
The early risers will notice a touch of frost and pockets of fog first thing.
Austria is set vote for its new president again - and possibly elect the first far-right head of state in Europe since World War Two.