Florida shooting

Scott Dalton / AP

Dick's Sporting Goods on Tuesday reported disappointing holiday sales numbers in part due to weak demand for one-time hot brands like Under Armour.

The company's CEO also said recent changes to its firearm policies, ending the sale of guns to anyone under 21, will hurt future sales and may cause fewer shoppers to come to its stores.

Nam Y. Huh / AP

Dick's Sporting Goods will immediately stop selling assault-style rifles and ban the sale of all guns to anyone under 21, according to CEO Edward Stack.

The announcement from the nationwide store chain came as students at Marjory Stoneman Douglas High School in Parkland, Florida, returned to class for the first time since a teenager killed 17 students and educators with an AR-15 rifle two weeks ago.

Keith Srakocic / AP

The boundaries of Pennsylvania’s congressional districts are still in contention this week as GOP leaders file suit to block a map enforced by the state Supreme Court. Three Republican-appointed federal judges on Friday agreed to hear the case.

J. Scott Applewhite / AP

In the aftermath of this week’s high school shooting in Florida, Sen. Pat Toomey (R-PA) is calling for improved federal background checks for firearms sales.

In a Facebook post Thursday, Toomey said he and his staff will “continue to reach out to senators on both sides of the aisle to see where progress can be made” on the issue.

Evan Vucci / AP

President Donald Trump is postponing a campaign rally next week in the Pittsburgh area, the early political hotspot of 2018's congressional elections.