Tens of thousands of pro-Palestine protesters have marched through London calling for a ceasefire between Israel and Hamas. Organisers claimed as many as 100,000 people braved the cold December conditions to join the demonstration - the first such protest since a week-long pause in the fighting broke down last week. However, the Metropolitan Police said an estimated 40,000 people attended the march and 13 people have been arrested. Protesters carried signs bearing the words "free Palestine" and "end the siege". Israel-Gaza latest: US accused of being 'complicit in war crimes' after UN veto Image: Protesters on Whitehall during the pro-Palestine...