* Brendan DeMarco scored twice and Jake Vieira made 21 saves for the shutout as No. 9 Lowell continued its defense of its Division 3 North championship by knocking off top-seeded Bedford, 2-0, in a quarterfinal matchup at Ryan Skating Arena in Watertown. The teams had skated to a 1-1 tie during the regular season, but the Red Raiders got the best of the Buccaneers when it mattered. Lowell advances to the semifinals Thursday (5 p.m.) at Chelmsford Forum against Swampscott.
* Freshman Ronan Locke had both goals, the latter coming with just 44.7 seconds left in regulation, and No. 13 seed Swampscott continued its run through the bracket with a 2-1 victory against No. 5 Watertown. Locke scored on a power play in the first period, before Mason Andrade added a power play goal of his own for the Raiders to tie it in the second. With overtime looming, Locke again beat Watertown goalie Kevin Greene for the victory. Freshman Jack Russo made 20 saves for the Big Blue.
* Luc Denney scored twice and No. 2 seed Cambridge used a four-goal second period to rally past No. 7 Newton South, 4-3. The Falcons trailed 2-0 after one period as Sebastian Pike struck twice for the Lions. But Denney led Cambridge’s comeback in the middle 15 minutes. Michael DeFranco brought Newton South within a goal in the third, but that was it. Cambridge lines up a semifinal game Thursday against Shawsheen (7:15 p.m., Chelmsford).
* The trio of Dan McGaffigan, Sean Murphy and Brady Darcey had a goal and two assists apiece, and No. 3 Shawsheen edged sixth-seeded Latin Academy, 4-2. The Rams took a 3-0 lead after the first period and never looked back. Chance Fitzgerald had the other goal for Shawsheen, with J.J. Thibert adding an assist and Kam Neault making 24 saves. Aidan Farley and Zach Maffeo had the goals for the Dragons, while James Dillon and Brendan Butler chipped in an assist each.