Grimsby MP Austin Mitchell said attacks on mosques and other Islamic institutions were playing into the hands of terrorists who wanted community conflict.
Mr Mitchell told BBC Radio Humberside: "It's sheer, simple stupidity. I'm appalled and shocked. I didn't expect this in Grimsby.
These idiots, whoever they are, are playing directly into the hand of the terrorists.
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Local authorities said the move is necessary to "avert the growing number of deaths and increasing harm linked to psychoactive substances".
Some students argued that the centuries-old tradition of wearing gowns, suits and mortarboards to exams was 'archaic' and looked elitist.
Clear spells in the north overnight where it's actually cold enough in the north for a touch of ground frost. Further south cloudier.