An apparent improvised explosive device (IED) detonated on a London underground train carriage during the morning rush hours on 15 September at Parsons Green station, west London, wounding at least 18 people, according to police and the London Ambulance Service. Police said most of the injuries were "flash burns", although some may have been caused by the subsequent stampede to flee the train and the station. None of the injuries were classified as serious or life-threatening. Police released a statement shortly after the attack saying it was being treated as a "terrorist incident". Prime Minister Theresa May called a meeting of the COBRA emergency committee to discuss the incident, although the UK terror threat level remained unchanged at 'Severe' three hours after the attack.
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