Ten people were killed and three wounded when suspected members of the dreaded Akhilesh Singh gang attacked Chakwai village in Bihar's Nawada district late Friday night.
A senior police officer said the assailants were armed with sophisticated weapons. They pulled people out of their houses and shot them dead in cold blood, he added.
The victims belonged a backward caste.
The killing of two children of an upper caste earlier in the day at Kashichak village was suspected to be the provocation for the attack, the police