Once again, counter-terrorism police are at Westminster following a suspected terror attack near the Houses of Parliament. It happened during rush hour this morning, when a car swerved into cyclists and pedestrians before crashing into barriers - the same ones that had been extended after the Westminster Bridge attack last year.
A number of people were injured and a man in his twenties has been arrested on suspicion of terrorism offences. There's been praise for the speed of response from the police - who were on the scene within minutes.
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