Gym trainer attacks girlfriend with dagger

New Delhi: A 27-year-old gym trainer allegedly attacked his girlfriend with a traditional dagger suspecting her of infidelity in southwest Delhi's Vasant Vihar, police said on Friday.

The incident was reported to police on Wednesday night. The accused and his girlfriend were having a conversation, which turned into a fight, police said. In a fit of rage, the man attacked her.
 
The woman was taken to a hospital where she underwent surgery and is now out of danger, they added. 

The man was arrested.  He claimed that he suspected the woman of infidelity. 

The woman's statement is yet to be recorded.