nick clegg today continued his tour of 60 seats where the party is defending perilous majorities or hope to make gains , stopping off in hampshire .
but behind the scenes , senior party sources admit their current total of 57 mps will be slashed to ` in the thirties ' after a catastrophic collapse in support .
mr clegg today admitted that his party was fighting ` tooth and nail ' in fewer than a tenth of westminster seats .