Three CRPF personnel were reportedly killed in a case of  fratricide  inside a camp in Jammu on Wednesday night, local officials said.

An official said one constable Ajit Kumar opened fire from a service rifle and killed three colleagues of 187th Battalion stationed at Battal Ballian area in Jammu s Udhampur.

 The incident took place around 10 p.m. Kumar also injured himself critically and was shifted to a hospital,  a district administration official told news agencies in Jammu.

Preliminary reports suggest the constable opened fire after an altercation. However, the CRPF has not officially divulged any details about the incident.

Constable Kumar hails from Kanpur in Uttar Pradesh.

The deceased were identified as head constables Pokarmal R of Jhunjhunu in Rajasthan, Yogendra Sharma of Delhi and Umed Singh of Rewari in Haryana.