>>2028201 (lb)

they were on an field trip , a soccer team and their coach. the field trip was into a cave , it started raining and the cave filled up with water , to escape the rising water they went deeper and deeper into the cave. This is in thailand , it rains a lot there from time to time. very big/long cave (>10km) with narrow sections and wide open sections , different levels. Consequently there are sections of the cave completely submerged sections and some sections dry. They moved to a dry section. To get out they will have to learn to scuba dive , to clear the submerged sections. They were missing for nine days. It may take up to 30 days to train them all and get them out.

or you could just search for 'kids lost in a cave'