A terrorist incident has been declared at Parsons Green tube station in west London after reports of a blast.

• A terrorist incident has been declared at Parsons Green underground station in west London after an explosion on a tube carriage.
• The Metropolitan police and British Transport Police (BTP), including armed officers, are at the scene, along with the London ambulance service (LAS).
• The Met’s assistant commissioner Mark Rowley said a suspected improvised explosive device (IED) was thought to be responsible for the blast. Scotland Yard said no one has
• Police sources said the device only partially exploded. Initial examination by explosives experts led them to conclude it was “viable”, meaning the device was meant to explode more fully. A circuit board was recovered from the scene.
• A massive search is under way for whoever planted the homemade device. Detectives are examining CCTV from the London Underground network to determine where the perpetrator entered and exited the tube system.
• Scotland Yard’s counter-terrorism command, SO15, has taken the lead in the investigation, supported by MI5. The inquiry into the explosion was initially led by BTP.
• St Mary’s hospital in Paddington, central London, has declared a major incident, and there have been reports of people sustaining burns. Guy’s and St Thomas’ NHS foundation trust also declared a major incident.
• LAS said it had taken 19 people to a number of London hospitals. “None are thought to be in a serious or life-threatening condition,” a statement said. Three others went to hospitals independently.
• One witness, Sham Shakil, told the BBC he saw several people “falling over themselves” as they tried to get out of Parsons Green station.(theguardian)…[+]