MashGet

(CNN) -- A Southwest Airlines jet made an emergency landing in Charleston, West Virginia, on Monday after a football-sized hole in its fuselage caused the cabin to depressurize, an airline spokeswoman said.

There were no injuries aboard the Boeing 737, which was traveling at about 30,000 feet when the problem occurred, Southwest spokeswoman Marilee McInnis told CNN.

The sudden drop in cabin pressure caused the jet's oxygen masks to deploy.