An Israel-affiliated merchant vessel in the Arabian Sea off India’s west coast was struck by an unmanned aerial vehicle, causing a fire, British maritime security firm Ambrey said on Saturday.

The fire on the Liberian-flagged chemical products tanker was extinguished without crew casualties in the incident 200 km southwest of Veraval, India, it said.

“Some structural damage was also reported and some water was taken onboard. The vessel was Israel-affiliated. She had last called Saudi Arabia and was destined for India at the time,” the firm said on its website.

They said that the Indian Coast Guard ship ICGS Vikram was moving towards a merchant vessel MV Chem Pluto in the Arabian Sea 217 nautical miles off the Porbandar coast after it reported a “fire incident suspected to be caused by a drone attack”.

“The vessel has crude oil and was going towards Mangalore from a port in Saudi Arabia. As per inputs received, the fire has been extinguished but it has affected its functioning. The ICGS Vikram was deployed on the patrol of the Indian Exclusive Economic Zone when it was directed towards the merchant ship in distress. All the crew are safe, which includes around 20 Indians. The ICGS Vikram has alerted all ships in the area to provide assistance to it,” ANI quoted defence personnel as saying.

The incident follows drone and missile attacks in the Red Sea by Iran-backed Houthis, who say they are supporting Palestinians under siege by Israel in the Gaza Strip, on commercial shipping, forcing shippers to change course and take longer routes around the southern tip of Africa.