Acclaimed pop star Grimes has scrapped a series of Canadian shows due to hearing problems.

The singer/songwriter, real name Claire Boucher, will perform a scheduled concert in Vancouver on Wednesday (17Oct12) but upcoming shows in Winnipeg, Calgary, and Saskatoon have been cancelled.

Announcing the news to fans via Twitter.com, she writes: "Hey guys, so sorry 4 the cancelled shows. im having trouble w hearing loss, tinnitus & am trying 2 stay away from loud music 4 a bit."

Grimes is scheduled to return to the road after a break on 22 October (12) for a concert in Minneapolis, Minnesota.

All dates on her upcoming U.S. tour in Illinois and New York are still on.