Workers of ExxonMobil affiliate, Mobil Producing Nigeria Unlimited, have started a three-day warning strike, Channels reports.

The workers are among several issues accusing the company of violating the provisions of the Local Content Act and firing Nigerian workers.

They are also accusing it of violating previous agreements it reached with their union, the Natural Gas Senior Staff Association of Nigeria.

Should the company fail to address their grievances, the workers warned that they would start an indefinite strike on Monday.