Southwest Airlines is rolling out stricter rules on portable chargers as concerns over lithium battery fires continue to rise on commercial flights. In an internal message sent to employees Tuesday ...

Travelers will soon face restrictions on how many portable chargers they can carry on a flight as airlines continue to try to reduce the risk of another lithium battery fire aboard their jets.

Starting on April 20, the airline will limit passengers to one lithium battery-powered portable charger per person. By Hannah Ziegler Southwest Airlines said this week that it would soon limit the ...