The crew aboard a Marshall Islands-flagged tanker hit by a missile launched by Yemen’s Houthi rebels extinguished an hour-long fire onboard the stricken vessel Saturday sparked by the strike, authorities said.

The attack on the Marlin Luanda further complicated the Red Sea crisis caused by the Iranian-backed rebels’ attacks over Israel’s war on Hamas in the Gaza Strip. The tanker carried Russian-produced naphtha, a flammable oil, drawing Moscow further into a conflict that so far it had blamed on the U.S.