Those caught up in the pandemonium included Minnesota seasonal campsite workers Lyle and Sue Glenna. However, instead of concentrating only on their own escape, they used valuable seconds to warn others, probably saving many lives in the process.

“They were able to get into their truck and honk a warning out to a lot of people at the campground, which definitely helped some people make it out,” said their son, Wes Glenna, speaking to CBS News.

A GoFundMe page created to support the couple echoed that statement, crediting their “presence of mind” and fast action: “They were able to save many lives at the campground by honking their horn and waking people up, giving precious minutes for some to evacuate.”

The campground was overtaken by flooding in less than ten