UPDATE 1-Yamana, Agnico reach new deal with Osisko to thwart Goldcorp takeover bid

April 16 (Reuters) - Canada's Osisko Mining Corp said on Wednesday it has reached a deal to sell most of its assets to Yamana Gold Inc and Agnico Eagle Mines Ltd as it battles to thwart a hostile takeover bid from Goldcorp Inc, one of the world's biggest gold miners.