A 24-years-old youth of Negombo drowned in Deduru Oya near the Chilaw bridge on Thursday evening. He was identified as Thyagarajah Jude Nishantha, who was on a pilgrimage along with his peers. He had neglected the warning boards in Sinhala, Tamil and English near the Oya asking people not to bathe in the Oya. The deceased was an employee of the Negombo Municipal Council. Chilaw Police are investigating.