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.
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In Berwick-upon-Tweed - the town at the northern-most tip of England - history has taught them that no border necessarily lasts forever.
His car was about to get towed away. But he had other ideas.
Our experts take a look at the key issues that would face Scotland and the rest of the UK if Scots vote for independence.