The Charity says there are now 201 food banks nationwide
For the 2011-12 year, the food banks helped to feed nearly 128 thousand adults and children - more than double the previous yearly total.
It's predicted around half a million Britons will need help from a food bank by 2016.
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Among those expected to attend the ceremony will be former US President Bill Clinton and ex-Northern Ireland first minister Peter Robinson.
Five people have been killed and 40 injured after a car and knife attack in London on Wednesday.
A wet, wintry night in places with rain and hill snow slow to move away from southern Scotland and northern England.