An active hostage situation unfolded in downtown Bakersfield, California, after police responded to a bomb threat on Tuesday afternoon. A man barricaded himself inside an office building on the 1500 block of 17th Street around 1:00 p.m. local time, taking an unknown number of people hostage and forcing mass evacuations in the surrounding area.

Four schools in India’s Ludhiana city were evacuated on Wednesday after receiving a bomb threat via email, prompting a large-scale police response and temporary shutdowns, authorities said.

A passenger’s bomb threat forced the evacuation of a commercial flight after it landed at Hartsfield-Jackson Atlanta International Airport, prompting a rapid response from law enforcement.

An IndiGo Airlines aircraft was forced to make an emergency landing at Lal Bahadur Shastri International Airport on Sunday after authorities received information about a bomb on board, police said.

Security protocols were activated after a "bomb threat" was reported on a Turkish Airlines flight from Istanbul to Barcelona, the airline said on Thursday.

Authorities in Ahmedabad evacuated several schools on Wednesday after receiving bomb threats via email, local police confirmed.

South Korea's Kakao Corp. has instructed all employees to work from home after receiving a bomb threat at its headquarters in Pangyo, south of Seoul, the company announced Monday.

A bomb threat forced authorities to divert an IndiGo flight from Madinah in Saudi Arabia to Hyderabad, sending it instead to Ahmedabad on Thursday, officials confirmed.