Firefighters have issued a reminder of their cigarette safety advice following a fire at a block of flats on Belson Road in Woolwich.
Half of a four roomed flat on the fourth floor was damaged by the fire. One man left the building before the Brigade's arrival and was treated on scene by London Ambulance Service crews.
Fire investigators found the property didn't have working smoke alarms and the fire was most likely caused by the unsafe disposal of smoking materials.
A London Fire Brigade spokesperson said: "This incident shows just how vital it is to have working smoke alarms.
"It's also a timely reminder for smokers to ensure your cigarette is completely out when you’ve finished smoking it.
“If you don’t, you risk causing a fire which could not only destroy your home, but also cost you your life.”
The Brigade was called at 1543 and the incident was over for firefighters at 1629. Firefighters from East Greenwich, Greenwich and Eltham fire stations attended the scene.