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 owner was arrested after two police officers fell ill from the fake cannabis, known as Mr Nice Guy, Israeli media reported.
Thomas Cook chief executive Harriet Green is reportedly due to receive a personal bonus of £10.5m.
Some bright conditions this evening as the rain moves away followed by a mostly dry but cloudy day tomorrow.