CONSERVATIVE Party leader David Cameron was hit by an egg while he was campaigning today.

Mr Cameron was struck on the shoulder as he emerged from answering students' questions during a visit to a college in Cornwall.

Having been confronted with a giant chicken yesterday, Mr Cameron joked: "Now I know which came first - the chicken not the egg."

Mr Cameron was hit as he emerged from Cornwall College Saltash.

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The egg was thrown by a student who was inside the building as Mr Cameron was about to walk out.

It glanced off his shoulder and splattered on the jacket of a police officer beside him, while the yolk also stained Mr Cameron's white shirt.

A spokesman for Devon and Cornwall Police said a 16-year-old student had been arrested but was de-arrested before he was taken to a police station.