Puducherry’s iconic pier at Rock beach partially collapsedPhoto : ANIPuducherry: Iconic pier at Puducherry’s Rock beach partially collapsed Saturday night due to high waves as a result of deep depression over the Bay of Bengal.According to the Indian Meteorological Department (IMD), the depression over southwest Bay of Bengal moved nearly southwestwards with a speed of about 07 kmph during the past six hours and lay centred over the same region, about 310 km north-northeast of Trincomalee (Sri Lanka), 260 km east-northeast of Nagappattinam, 270 km east-southeast of Puducherry.”Depression over southwest BoB moved nearly southwestwards with a speed of about 07 kmph during past 06 hours and lay centred over the same region, about 310 km north-northeast of Trincomalee (Sri Lanka), 260 km east-northeast of Nagappattinam, 270 km east-southeast of Puducherry,” said IMD in a tweet. Deep depression weakened into a depression over the southwest Bay of Bengal, and it is likely to move southwestwards towards the north Tamil Nadu coast and weaken gradually into a well-marked low-pressure area during the next 24 hours, the MeT department said.The IMD has predicted that heavy rainfall is very likely at isolated places over north coastal Tamil Nadu-Puducherry-Karaikal on Sunday, March 6.