Hundreds of people turned out in London on Sunday for a pro-Palestinian march banned by the government after police said it was organised by a group “supportive of the Iranian regime”. Police said in a statement they had arrested 12 people and were investigating anti-Israeli chants allegedly made at the rally. Interior Minister Shabana Mahmood said earlier this week she had agreed to the ban to “prevent serious public disorder” in the context of the continuing conflict in the Middle East, where...