PHILADELPHIA (AP) — Authorities say an argument over a break room light led to a deadly stabbing involving three workers at Philadelphia International airport. The stabbing happened around 11 a.m. in a break room for Worldwide Flight Services, an airplane cleaning contractor for Frontier Airlines, in Terminal E. 
 
 Philadelphia Police Lt. John Walker said one man turned out a light in the break room, upsetting another man sitting there. Walker said a third man then got involved and after some shoves, he pulled out a knife and stabbed one of the man in the thigh. The stabbing left the victim, 28-year-old Aaron Jenkins, seriously injured. Authorities say the two other workers ran off but were soon confronted by police. They say the three men work for a company that cleans planes for Frontier Airlines, but their names weren't released. It's not clear if he's retained legal counsel.
– Authorities say an argument over a break room light led to a deadly stabbing involving three workers at Philadelphia International airport, the AP reports. The stabbing occurred around 11:30am Thursday near Gate E6 in what city police say was a "secure area"; NBC Philadelphia says it was a break room for Worldwide Flight Services, an airplane cleaning contractor for Frontier Airlines, that is located on the tarmac. The men's names weren't released. Police say one worker turned off a break room light, angering another worker. The third worker soon pulled out a knife, cutting one of the men across the abdomen. The 28-year-old stabbing victim was pronounced dead at a hospital. Authorities say the two other workers ran off but were soon confronted by police. It wasn't clear what charges they may face.