Lieutenant colonel was taken to hospital with a knife injuries early on Thursday morning. 

According to Shamshyan.com website, a 43-year-old resident of Yerevan was taken to hospital after being stabbed by a man who was later identified as 39-year-old resident of Abovyan, a town not far from capital city Yerevan. 

The injured man is working for a law enforcement agency.

The suspect was detained.