A robbery suspect is in serious condition after suffering a medical problem in a police holding cell.

The 27-year-old man was still in a Halifax hospital on Thursday, a spokesman for Capital Health told CBC News.

The man was arrested on Wednesday following an early morning robbery at the Needs convenience store on Chebucto Road.

While in the police lockup, he needed some kind of medical help and was taken to the hospital.

Nova Scotia's Serious Incident Response Team is investigating. The independent body, which was created in April, looks into deaths and other serious incidents involving police.

"Just because we are involved, doesn't necessarily mean there has been any allegation of wrongdoing," said Ronald MacDonald, the team's director.

He said no one used a stun gun on the man.

Police said Jonathan David Hill is charged with robbery, disguise with intent, assault with a weapon, possession of a weapon and property damage.

With files from The Canadian Press