The artificial intelligence-driven surveillance system alerts first responders if someone lingers in certain locations, enters an area deemed unsafe or picks up one of the bridges' dedicated suicide-prevention phones. Emergency crews can reach most bridges within five minutes, the critical window to intervene and save a life, he said.

When AI-powered cameras on bridges over Seoul's Han River raise the alarm that someone may be about to jump, acting quickly is vital.

The artificial intelligence-driven surveillance system alerts first responders if someone lingers in certain locations, enters an area deemed unsafe or picks up one of the…