A tug boat carrying 20 workers collapsed in the Vaitarna river on Monday morning in a tragic occurrence in the Palghar region of Maharashtra, leaving at least two people missing and 18 others rescued, according to local authorities.

The accident happened at around six in the morning while the workers, who were working for a company building the JNPT-Vadodara Expressway, were on board the tug boat. The boat was navigating the river to make it easier to build a bridge that is part of the expressway project.