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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Outbreaks of rain and strengthening winds will affect southernmost parts of England and Wales today.
An earlier debate on the issue was suspended as an 'expression of support' following the Westminster terror attack.
Five people were killed and dozens more were injured after a car and knife attack in the capital on Wednesday afternoon.