New Delhi, March 11 -- India on Wednesday denounced attacks on merchant shipping during the conflict in West Asia after a Thai-flagged vessel bound for the country was fired upon by Iran's Islamic Revolutionary Guard Corps (IRGC).

Three vessels were hit by projectiles in the Strait of Hormuz, maritime security firms said on Wednesday, taking the number of ships attacked in the region since the start of the Iran-US conflict to 14.

Twenty crew members of the Thai-flagged Mayuree Naree, a dry bulk vessel, were rescued and three more remain missing, Thailand's transport ministry said. The crew abandoned the vessel in a lifeboat and were rescued by the Omani Navy.

The external affairs ministry referred to the attack on Mayuree Naree and sai...