Explosion at Canberra Food Court? [updates]

Jus saw this, unsourced, on Twitter.

Theres been an explosion at the food court at Belconnen Mall in Canberra

Update: News story here:

A man has be taken to hospital after suffering burns and fragment injuries in an explosion at a shopping mall in Canberra that also left another man with superficial facial injuries.

Update 2: I asked Twitter user if he was there:

No, some friends of mine are. The word is a bomb went off near Donut King. Waiting to hear confirmation of what happened.

More here. Big news orgs are getting this now:

Some witnesses speculated the incident was the result of a gas bottle detonating, while others blamed a “homemade confetti bomb”.

Update, December 18: Looks to have been an accident.