Nigeria unions begin indefinite strike as economic crisis bites 

FILE - A protester waves a flag of the National Labour Congress (NLC) during a protest in Abuja, Feb. 27, 2024. Government buildings, gas stations and courts in Abuja were closed on Monday, while the doors to the city's airport were also shut and long queues formed outside.

Nigerian unions began an indefinite strike on Monday, closing schools and public offices, impacting airports and shutting down the national power grid after talks with the government failed to agree a new minimum wage.