LONDON (Reuters) - Eighteen patients have been taken to hospital after witnesses reported a blast on a commuter train in west London, the city s ambulance service said on Friday, though no-one is suspected to have sustained serious injuries.  We have taken 18 patients to a number of London hospitals. None are thought to be in a serious or life-threatening condition,  London Ambulance said in a tweet. 
Eighteen injured in west London incident, none seriously: UK ambulance service