Four men have been arrested on suspicion of terrorism offences this morning in a number of raids across London, during which one suspect was tasered.

Four males all aged 20 or 21 were arrested by officers from the Metropolitan Police’s Counter Terrorism Command (SCO19)The four men are now under investigation for Islamist terror activities.

The 21-year-old who was tasered while being arrested, he did not require medical treatment, Scotland Yard said this afternoon.