The Mumbai High North oil platform fire was caused when a support vessel collided with the platform during a medical evacuation, severing a gas riser and causing an explosion and fire. 22 people died and the platform was destroyed. Key issues identified were deficiencies in risk assessment processes, poor safety culture, vulnerabilities of the risers and vessel, and inadequate rescue efforts. The incident highlighted the need for thorough risk assessment and management of riser damage risks as well as adoption of good collision avoidance practices.