Police are questioning several youths after a suspected 'sparkler bomb' blew off the door of an outside toilet at the rear of the Travel.com shop on Devonport Road on Tuesday afternoon.

Firemen attending the scene of an afternoon explosion on Devonport Road.

The emergency services responded to a call at about 2.45pm following an explosion at the end of the alleyway next to the travel agency.
Owner Roger Miller says his hands stank of smoke after he pulled out a bucket from the flames.
He found flames in the toilet block when he exited the rear of the building to see what had happened.
"There were still a few flames. I pulled the bucket and some other stuff that was melting away. Someone threw something in the window."

Roger Miller talks with police.

Store manager and fire safety warden Sheryl Holmes says there was a big bang.
"It sounded like an explosion. It was very scary."
Two fire trucks, including eight officers and police responded to the fire.
Police Acting Sergeant Dean Plowman says the fire appears to have been caused by a homemade device.
"We are treating the fire as suspicious and are speaking to people in the area to see if they saw anybody."
Nolan Moroney was making a cup of tea next door to where the explosion occurred and says, "It sounded like a car smashing into the wall."
Nolan says he was just about to use the toilet.
"I could have been in there. It was really scary, I'm still shaking."

Travelcom on Devonport Road is the scene of an explosion on Tuesday afternoon.

Fire safety officers are investigating the cause of the explosion, although early indication is that it was a 'sparkler bomb'.

Read the latest on this incident here.