Joe Biden was interrupted during a speech at a church on Monday by pro-Palestinian protesters who demanded: "Ceasefire now". The US president was giving a speech to a church in Charleston, South Carolina, where an avowed white supremacist shot nine black parishioners in 2015. "If you really care about the lives lost here, then you should honour lives lost and call for a ceasefire in Palestine," one protester shouted, before others chanted: "Ceasefire now". The president attempted to calm the situation, holding up his hands while saying: "That's alright." As security removed the protesters from the church, he said: "I...