Link: Thames boat collision injures four | World news | theguardian.com

...Scotland Yard said: "At this stage there are believed to be a small number of people with minor injuries including cuts and whiplash. Nobody from either vessel entered the water following the collision, and neither boat is believed to be at risk of sinking."

Police said that it was too early to speculate on the cause of the crash, which happened at around 2.15pm...