The NHL said Monday that St. Louis police are investigating threats made toward Colorado Avalanche forward Nazem Kadri, who has been the subject of racist social media posts since he was involved in a collision that knocked Blues goaltender Jordan Binnington out for the rest of the series.

Deputy Commissioner Bill Daly told The Associated Press by email that the league and police looking into the situation.

The team said Sunday night it was aware of threats against Kadri and was working with local law enforcement to investigate. Kadri collided with Binnington during Game 3 of their second-round playoff series Saturday night;