LOGAN (WPVI) -- Police say two former employees were involved in a stabbing at a dentist office in Philadelphia's Logan section.
It happened around 2:40 p.m. Wednesday in the 5700 block of North Broad Street.
Authorities say the suspects, who once worked at the office, stabbed a security guard.
The guard was taken to Einstein Medical Center in stable condition.
Both suspects were taken into custody.
Police are investigating.