A woman was killed by her husband following domestic quarrel at Kothmangalam on Tuesday morning. The deceased is Santhini, 38, of Kothamangalam. The incident occurred on Monday night when Sasi, husband of Santhini brutally beat his son Vishnu without any reason. Santhini who tried to stop Sasi was also beaten by him. Later, on Tuesday morning, Santhini was found dead. Sasi has been absconding after the incident. The police sources said that they have received information about his whereabouts.