This is a life-threatening situation.

Meaning

The situation could cause someone's death.

Examples

• John: We need help immediately! The building's on fire!
• Alice: What?! Oh my god!
• John: <b>This is a life-threatening situation</b>. We need emergency services now!
• Alice: I'm calling 911! <b>This is a life-threatening situation</b>, we must act fast!