Ottawa Police are investigating two separate incidents where pills taken at a rave lead to severe reactions.

A  19 year-old female, from out of town, went to hospital after the June 29- July 1 rave and died hours later.  A 20 year-old female from Ottawa, went to a local hospital and she remains in an induced coma and is suffering from liver problems.

The pills have not yet been identified, however police say it could possibly be MDMA or Ecstasy.

Anyone with information about these incidents is asked to contact the Ottawa Police Central District Investigations at 613-236-1222, ext. 5166.