The Chicago Blackhawks' 12-game NHL winning streak has come to an end after suffering a 2-1 loss to the Tampa Bay Lightning on Thursday.
The Blackhawks were on a franchise-record winning run and were on track to extending it after scoring early.
Artem Anisimov put the Blackhawks ahead just 43 seconds into the first period thanks to a backhand shot before Anton Stralman tied things up for the Lightning at 7:14.
Nikita Kucherov scored the game-winning goal on a Lightning power play with 3:31 left in the second period, condemning the Blackhawks to a first loss since the end of December.
The Pittsburgh Penguins scored four unanswered goals to edge the Philadelphia Flyers 4-3.
Two goals in the first period had the Flyers flying, but the Penguins hit back in the second to take a 3-2 lead.
Phil Kessel scored his second of the game at 6:20 of the third period to put the Penguins up by two, with the home side holding on for a 4-3 win in the end.
Five first-period goals - including a double from Kyle Palmieri - saw the New Jersey Devils secure a big 6-3 win over the Ottawa Senators.
The Carolina Hurricanes had to rely on an overtime goal from Jordan Staal after their clash with the Toronto Maple Leafs ended scoreless in regulation time, while the San Jose Sharks scored a goal in each period in a 3-1 win over the Arizona Coyotes.
In other results, the Vancouver Canucks beat the Boston Bruins 4-2, the Calgary Flames got up against the Columbus Blue Jackets by the same score-line, the Dallas Stars edged the Edmonton Oilers 3-2, the Nashville Predators were too good for the Winnipeg Jets 4-1, and the Minnesota Wild shutout the Los Angeles Kings for a 3-0 victory.