East Belfast MLA Michael Copeland told ITV News, "speaking as someone who for years looked under their car and actually still does, we're standing here on a very miserable afternoon that could have been a lot more miserable."
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The Hollywood star refused to appear on ITV's Good Morning Britain because of host Piers Morgan's comments about the women's marches.
The former Ukip leader has torn into the Labour leader as he backed his successor Paul Nuttall to claim the vacant Stoke Central seat.
The man, in his thirties, was found with stab injuries on the upper deck of a bus in Handsworth, Birmingham, on Monday night.