An unidentified gang killed a college teacher in cold blood at Banglamukhi, Lalitpur, late Tuesday evening.

Dharma Raj Bista, a teacher at Everest College in New Baneshwor, died while being treated at Bir Hospital for the injuries he received in his head after being beaten by the gangsters with an iron rod.

Also an administrative official of Nepal Commerce Campus (NCC), Bista had been initially taken to Patan hospital but was later rushed to Bir Hospital for a CT scan and surgery where the doctors declared him dead.

Police said they had launched massive manhunt to track down the assailants.

Meanwhile, protesting against the murder of Bista, the students of Nepal Commerce Campus (NCC) and Everest College blocked the traffic for hours Wednesday morning at New Baneshwor.