Can Cheltenham's Banksy artwork be saved ?

Art fans are hoping that a Banksy mural in Cheltenham, which depicts spies listening in on a phone booth, can be saved after it was defaced by vandals.

Earlier this week it was announced that a deal was almost secure to keep "Spy Booth" in the town, after campaigners raised the money to buy it.

The piece appeared in April, three miles from government listening post GCHQ.

Andrew Plant reports.