Devices powered by lithium-ion batteries are overheating more often during airline flights and passengers often put them in checked bags that go into the cargo hold, where a fire might not be detected ...

All “big four” U.S. airlines now restrict how portable power banks can be stored and used in flight—as Delta Air Lines and United Airlines each report at least three lithium-battery incidents so far ...

The nation’s aviation regulator is urging airlines to ramp up messaging about the dangers of lithium battery fires—but did not mandate any policy changes. The average airline passenger packs four ...