More than 1,000 people were evacuated and two rail stations closed following a gas main rupturing in London.
Heaven nightclub was cleared and guests at a nearby hotel were moved into emergency accommodation after the alarm was raised in the Strand at around 2am on Tuesday.
Charing Cross and Waterloo East stations were shut.
The Strand, a major route through central London, was closed and a 165-yard cordon put in place while National Grid engineers tried to isolate the leak.
Westminster City Council said a respite centre was opened at the Queen Mother Sports Centre in Victoria.
“More than 1,000 people from the Heaven night club and 350 residents and business personnel were evacuated,” a spokesperson said.
London Fire Brigade said that high levels of natural gas were detected at Craven Street, near Charing Cross station.
