One person was killed after a couple consumed poison in Thalawa, the police media unit said today.
The police said that investigations revealed they had consumed poison over an illicit love affair.
A 20 year old male youth who consumed the poison died on admission to the Thalawa hospital.
The police said that a married woman who had also taken the poison, was in hospital in serious condition.
She is receiving treatment at the Anuradhapura hospital.