On 15 January 2022, the Hunga Tonga Hunga Ha'apai volcano erupted. On the same day, a tsunami struck the coast of Tonga, and Li’oa, the Emergency Management Office motorist, drove to save lives. “I got in the vehicle, turned on the siren, and asked people to get away from the coast.” Read the fascinating story in the fourth ‘UNDP Tsunami Story Book’.