Paramore frontwoman Hayley Williams has offered her condolences to the family of a woman who died at a rock festival in Canada on Sunday (16Jul12).

The Vans Warped Tour was marred by tragedy at its stop in Toronto when the unnamed woman collapsed. She was transferred to a hospital but was later pronounced dead.

Now Paramore singer Williams had sent her best wishes to friends and family of the woman in the wake of the tragedy.

In a post on Twitter.com, she writes, "My heart and prayers go out to family and friends of the young girl, Taylor, who passed away at Warped Tour today. Rest in peace."

Rockers Chelsea Grin, who were onstage performing when the incident occurred, tweeted, "Our hearts go out to the person who died... We still don't know everything that happened but it's no time for jokes on our page."