Electric companies have a warning for those celebrating Valentine's Day on Friday: helium-filled foil balloons can cause power outages.

FirstEnergy is reminding customers to handle helium-filled foil balloons safely prior to Valentine’s Day. The company says ...

These types of balloons can cause power outages when released outdoors because their metallic coating conducts electricity, ...

FirstEnergy is warning people not to release their Valentine's Day balloons in the air. Why? They could cause power outages.