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A flood victim heckled David Cameron today, as he went walkabout in the stricken city of York .

The Prime Minister was visiting members of the Scarborough mountain rescue team when a woman shouted: "No more cuts to public services."

Mr Cameron faces increasing pressure to have a "complete rethink" of Britain's flood defence measures.

And critics say more is being done to prevent floods in the South than the North.

But Mr Cameron denies there is a disparity, claiming the government spends more per head of population in the North than in the South.

The Prime Minister described flooding around river Foss where a key flood gate was left open , leaving York exposed to flooding as "very unfortunate".

(Image: Getty Images)

"These supposedly one-in-a-hundred-year events seem to be happening more often, so let's invest more in flood defences," he said.

"We need to sit down and look at what we are planning to build, what we are planning to spend and see if more can be done.

"You don't just protect people of course through the flood defences, although they are important, and of course while some flood defences haven't worked this time many flood defences have worked and protected thousands of homes.

"We need to look at the whole picture, as the Environment Agency say."

According to the GMB Union, the number of staff at the Environment Agency able to deal with flooding out-of-hours is due to be reduced in the New Year.

Mr Cameron did not comment when asked if he would be halting the cuts to out-of-hours services.

Emergency financial assistance is being put in place for affected areas, and homes and businesses damaged by flooding will have access to the same package of support announced for those affected by Storm Desmond.

The Met Office has issued yellow warnings for rain on Wednesday in North West England, North East England, Yorkshire and Humber, Wales and Northern Ireland.

Amber warnings for rain are also in place for parts of Scotland on Wednesday.