LOUIS, Mo. (First Alert 4) - A temporary power outage Sunday in a part of St. Louis Lambert International Airport was caused by a Mylar balloon, according to Ameren.

ST. LOUIS -- St. Louis residents are seeing their out-of-pocket costs pile up after a massive blackout that officials have called the worst power outage in Ameren Corp.'s 100-plus-year history ...

LOUIS -- The lights -- and perhaps more importantly, the air conditioning -- came back on Thursday afternoon in downtown St. Louis after an underground fire knocked out electricity for much of the ...

A balloon caused a power outage Sunday morning at St. Louis airport. Most systems were back up and running by 1:45 p.m., an airport spokesperson said.