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DEER PARK, Texas (AP) — A massive pipeline explosion that sent a towering flame over neighborhoods near Houston for hours on Monday began after a vehicle drove through a fence and struck an above-ground valve, officials said.

OTTAWA — The Liberals sharpened their attacks on the Conservatives as the House of Commons returned from its summer break on Monday with the prospect of a snap election looming large.

OMAHA, Neb.

For the first time in their history, members of the Cree community of Nemaska received a visit from a sitting Quebec premier on Sunday and were able to share first-hand the story of how they were displaced by a hydroelectric project in the 1970s.

EDMONTON — Alberta's energy minister is promising strong action by next fall to clean up the province's growing backlog of unreclaimed oil and gas sites.

MONTREAL — Politics, public opinion and salary hikes south of the border helped push Air Canada toward a deal that secures major pay gains for pilots, experts say.

HALIFAX — Some Halifax-area landlords on Monday defended their use of fixed-term leases as necessary to recoup costs under Nova Scotia’s rent cap, despite criticism the leases help property owners skirt the rules.

TORONTO — Canada's main stock index rose Monday on broad-based strength, while U.S. markets were mixed as investors anticipated an interest rate cut later in the week, though the Dow set a new record.

HALIFAX — Ottawa is negotiating a $500-million bailout for Nova Scotia's privately owned electric utility, saying the money will be used to prevent a big spike in electricity rates.

NEW YORK (AP) — The Dow Jones Industrial Average closed at another all-time high after recouping its losses from early September. The S&P 500 rose close to its own record, but was held back by losses in Big Tech companies like Apple and Nvidia.