Gurgaon, Sep 15 (IANS): A 27-year-old man along with an accomplice has been arrested for killing his cousin for having a relationship with a woman both of them called their 'girlfriend', police said Monday.

Pradeep Kumar alias Filmy was shot dead Sep 7 in Gurgaon Gaon area by his cousin Lalit and his friend Umesh Kumar alias Harlu at a party.

Lalit and Harlu were arrested Sunday night from Basai village near Sector 9.

"Pradeep and Lalit were both married and had criminal records to their names. They had a relationship with a woman whom both called their girlfriend. They had warned each other to stay away from his 'girlfriend'," a police officer said.

The two had fought over the issue earlier too. They had an altercation Sep 7 and Lalit shot Pradeep with a locally-made pistol. Pradeep received three gun shots and died during medical treatment.

Pradeep had 14 cases of theft, chain snatching and brawls registered in his name in Gurgaon and the National Capital Region (NCR). He was declared a "bad character" by Gurgaon police.

Lalit has four cases of murder and attempt to murder registered in his name.

Both were out of jail on bail.