The Miller Aces have joined the defending champion Morden Thunder in the Zone 4 High School League semifinals.

Colton Harder scored the winning goal with 3:53 left as Miller edged Northlands Parkway 5-4 Thursday night in Winkler.

Parker Sawatzky had a hat trick for the Aces who swept the best-of-three quarterfinal in two straight.

Matt Fehr had the other Miller goal.

Carter Rempel, Dustin Wall, Lucas Dyck and Brett Fehr replied for the Nighthawks.

Northlands Parkway goaltender Griffin Dyck faced 40 shots.

Aces netminder Declan Enns made 28 saves.