THANJAVUR: Five pilgrims from Chennai who arrived to participate in the solemn car procession of the Poondi Madha Basilica in Thanjavur district were washed away in the Kollidam while taking bath on Sunday. Sources say a group of 17 people from Chennai went on a pilgrimage in a van to Velankanni and the Poondi Madha Basilica. After visiting the church …