The World News

A Southwest flight from Houston to Cancun had to return to the airport and make an emergency landing after the right engine caught fire.

A security camera captured a bright flash in the woods that may have been a tree falling on a power line on August 7, one day before the fire was reported. Maui wildfires live updates: https://tinyurl.com/4yjt2jhy

RAF Typhoon jets have scrambled to intercept two Russian bombers north of the Shetland Islands. It came hours after two Russian planes were also intercepted by the Danish air force near Denmark.

In Pennsylvania, at least five people were killed and a dozen homes damaged in an explosion that authorities say was not caused by a gas leak.

The deadly wildfire that scorched the island of Maui is under investigation as anger grows in the community over the lack of warning. NBC News' Tom Llamas has more details on the timeline of events.