Wyatt Johnston posted the fourth hat trick of his career and added an assist to lead the Dallas Stars to their fourth straight victory with a 6-1 thrashing of the visiting Ottawa Senators on Sunday.

Johnston’s three goals give him 16 on the season, including an NHL-best 12 on the power play after two on Sunday. The 16 overall goals ties him for the team lead with Jason Robertson, who had a goal and two assists in the win. Mavrik Bourque and Jamie Benn also scored. Mikko Rantanen added three assists, and Roope Hintz helped on two for Dallas, which is 10-1-1 in its last 12 games.

Casey DeSmith made 15 saves for the Stars. Dallas’ backup goalie is now 6-0-2 in his last eight starts. Defenseman Lian Bichsel left the game with 4:21 left in the second after hitting the boards with an apparent leg injury.

Jake Sanderson scored for Ottawa, with assists from David Perron and Nick Cousins. Senators netminder Linus Ullmark saw his personal three-game winning streak end as he stopped only 20 shots.

Hurricanes 1, Flames 0 (OT)

Nikolaj Ehlers scored with 2:08 remaining in overtime to give Carolina a narrow victory over Calgary in Raleigh, N.C.

Ehlers notched his fifth goal of the season by crashing the net and converting on a delivery from Taylor Hall, who had the puck coming down the left side. Sean Walker also assisted on the goal.

Brandon Bussi made 15 saves for his first career shutout as the Hurricanes won their second game in a row and improved to 8-3-1 at home this season. Devin Cooley stopped 16 shots for the Flames, who were held without a shot in overtime.

Blackhawks 5, Ducks 3

Connor Bedard had two goals and two assists to help Chicago rally from a three-goal deficit and beat visiting Anaheim.

Tyler Bertuzzi, Ryan Greene and Colton Dach also scored, and Spencer Knight made 23 saves for the Blackhawks, who had lost five in a row (0-4-1).

Cutter Gauthier had a goal and an assist and Olen Zellweger and Chris Kreider also scored for the Ducks. Anaheim goalie Petr Mrazek had 13 saves before leaving with a lower-body injury midway through the third period. Ville Husso replaced him and surrendered one goal on one shot.

Capitals 4, Islanders 1

Tom Wilson scored twice and Logan Thompson carried a shutout deep into the third period for Washington, which continued surging with the victory over reeling New York in Elmont, N.Y.

Aliaksei Protas and Alex Ovechkin added empty-netters in the final 71 seconds for the Capitals, who have won four straight games and seven of their past eight (7-1-0). Thompson made 30 saves and has allowed only four goals in his last three outings.

Wilson notched an assist for a three-point afternoon, while Ovechkin added an assist against the Islanders, who fell to 1-3-1 on a seven-game homestand that began after a 6-1-0 road trip.