Allegiant Air Flight 536 had to return and make an emergency landing in Las Vegas, Nevada, on January 22.
The flight was heading from McCarran International Airport to Great Falls, Montana, but was forced to return after a smoke alarm went off.
The plane landed uneventfully at around 8:50 a.m. None of the 160 passengers aboard was harmed.
The passengers were shifted to another aircraft which took them to their destination.

WestJet flight WS-113 made an emergency landing in Calgary, Canada, on June 14th.

Air Peace flight 4P-7191 had to return and make an emergency landing at Port Harcourt International Airport, Port Harcourt, Rivers, Nigeria, on March 12.