Wait the UK voted in favour? Literally just yesterday they were whining about Pro Palestinian marches in London. Then a bunch of right wing fuck nuggets turned up to fight to the pro Palestinian marches, except they turned up in the wrong place and ended up fighting the police instead.
I guess they realise their position is untenable on that point. The general public hate them and they know it.
They are not condemning Israel for the current assault on Gaza. They are condemning Israel for the settlements (which is a blatant war crime that has long been criticized by every country except Israel and the US iirc.