Happy Friday! Here are our picks for the top stories to start your day and what’s coming up later on PostLocal.com:

Morning rush hour commuters take the Orange line from the Court House metro stations. Most of Metro’s defective brake parts have been replaced, but 184 cars with similar parts are in service, according to Metro. (Andrea Bruce)

Police are investigating a shootout along the D.C.-Maryland border this morning. The suspect, who was armed, is in critical condition. One officer was injured but treated and released from a hospital.

Metro: Faulty brakes are nothing new for Metro. Transit officials said Thursday that they’ve known for six years about rail cars with brake parts that fail sooner than expected — and 184 are still in service.

Whose cuisine reigns supreme? Chefs from across the globe competed in the Embassy Chef Challenge last night, producing gourmet dishes such as conch and lobster with mango and Iraqi kibbeh. Hungary, the Bahamas and Norway took the top honors.

No plans this weekend? Catch D.C. United’s home opener or take a bike ride in your hipster best — Going Out Guide has its weekly scoop on the best free events this weekend.

Accidents and construction abound this morning — follow Dr. Gridlock for an easier commute: