PITTSBURGH — Consol Energy signed a 21-year deal for naming rights for the Pittsburgh Penguins' new home.

The $321 million arena will be called the Consol Energy Center. Consol isn't saying how much it's spending for the naming rights. The arena is set to open by the 2010-11 season.

Consol President Brett Harvey said the company is proud to sponsor the new arena.

The arena also will offer concerts and other entertainment.

PITTSBURGH — Pittsburgh has a new law that would fine or jail gun owners who don't report their gun stolen or missing within 24 hours after they discover it.Mayor Luke Ravenstahl allowed the bill to become law Monday when he returned it to council without his signature.Ravenstahl said he believes the measure will be unenforceable and pre-empted by state law, but appreciates the effort to reduce gun violence.Some council members said they realize the measure could be illegal, but feel they must do something to address a rash of recent gun violence in the city.

HARRISBURG — Some members of the Pennsylvania National Guard received free Christmas trees.The Trees for Troops program sponsored by the Pennsylvania Department of Agriculture, state Christmas tree growers and National Guard presented the free trees Monday at the Farm Show complex.Strathmeyer Forests of Dover donated trees to the Pennsylvania National Guard's 56th Stryker Brigade Combat Team.The team is to send 4,000 troops to Iraq in January and 2,000 more in March.

CANONSBURG — Police and a coroner continue to investigate a crash in which a 36-year-old woman was killed when her car was hit by a runaway trailer that disconnected from a passing pickup truck.Police are not identifying the driver of the pickup that was towing the trailer that broke loose and killed Michelle Kott of Ellsworth.The Washington County coroner said Kott was driving north on Route 19 in North Strabane Township when the trailer came free from a southbound pickup, jumped the median, and crashed into her windshield shortly before 3 p.m. Monday. Kott's vehicle then struck another truck.A woman and girl in Kott's vehicle also are being treated for injuries that aren't life-threatening.