A man has been arrested for his alleged involvement in the murder of a security guard at Machindrabahal of Kathmandu on Sunday night.

Rajan Thapa Chhetri of Thaha Municipality, Makwanpur district was arrested for killing Tul Bahadur Tamang, 54, of Mawapauwa-2, Dolakha district.  Tamang used to work as a security guard at the East West Securities.

Chhetri is also a security guard at the same company, said the Metropolitan Police Crime Division (MPCD), Hanumandhoka.

Critically injured after being attacked with bricks at Machchhebahal, Tamang was rushed to the Trauma Centre where he breathed his last during the course of treatment, police said.

According to a preliminary investigation, Chhetri killed Tamang by attacking with bricks to take the revenge.

It has been learnt that the duo used to fight time and again in the past over minor disputes.