Emirates Airlines flight EK-147 had to return and make an emergency landing in Dubai, United Arab Emirates, on August 20th.
The plane was heading to Amsterdam, Netherlands, when the passenger oxygen masks deployed, prompting the crew to turn back for an emergency landing.
The plane landed uneventfully. Everyone aboard remained safe.

British Airways flight BA-286 had to divert and make an emergency landing in Vancouver, Canada, on October 24th.
Malaysia Airlines flight MH-128 had to return and make an emergency landing in Melbourne, Australia, on May 31st.
Yamal Airlines flight YC-623 had to return and make an emergency landing at Domodedovo International Airport, Moscow, Russia, on June 27th.
Pakistan International Airlines flight PK-853 made an emergency landing in Lahore, Pakistan, on June 20th.