A 50-year-old woman was hacked to death allegedly by her son at a village in North Dinajpur district on Thursday night.

Sources said some local people rushed to help Moulami Sarkar, who hailed from Bilatibari village in Chopra, after she raised an alert.

“Moulami was bleeding profusely as her son hacked had her with a sharp weapon in several places. We took her to a hospital where doctors pronounced her dead,” said a villager.

Soon the agitated villagers intercepted Narayan, the accused, and gave him a thrashing.

Shortly, police rushed to the spot and arrested the accused. The cops took him to Islampur sub-divisional hospital for treatment.

“During preliminary investigation, we came to know that Narayan was having some problems with his mother and he attacked her with a sharp weapon on Thursday night. We need to interrogate him to obtain more information about the motive of the attack,” said a police officer.