Nine people suffering life-threatening injuries after train stabbing in Cambridgeshire, police say

Police have arrested two people and counter-terrorism police also involved in investigation into mass stabbing on a train from Doncaster to London's Kings Cross on Saturday

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Nine people were being treated for life-threatening injuries after a series of stabbings on a train near Cambridge in eastern England, and two men were arrested in what Keir Starmer called an appalling incident".

British Transport Police said counterterrorism police were supporting its investigation while it worked to establish the full circumstances and motivation for the incident on Saturday. A cabinet minister on Sunday said it is believed that it was an isolated attack".