A section of R.K. Mutt Road in Chennai caved in on Thursday due to a leak in an old sewer line, causing significant traffic disruption on New Year's Day. The incident occurred around noon, prompting authorities to barricade the area. While the road is a major route, traffic was partially maintained. Officials from the Chennai Metropolitan Water Supply and Sewerage Board stated the pipe was 25 years old and repairs are expected to take approximately two days.