Naturally, he's suing.
http://www.ctv.ca/servlet/ArticleNew...007?hub=Canada
Crappy luck for this guy, but no sympathy from me. He was told at the store he was too late, offered a refund on the tickets, and chose to stick with him. Sucks that he had the winning numbers on an invalid ticket, but maybe he should have bought his tickets just a little sooner...