A worker carries a placard changing the ruling “All Progressives Congress (APC)” to “All Promises Cancelled” as he marches during a protest demanding that the government reinstate prices of fuel at 86.50 naira ($0.43, 0.38 euros) per litre in Lagos, on May 18, 2016.
Nigeria’s government on May 18 warned against “illegal strike action” after some union members vowed to press ahead with a national strike over petrol price rises despite a court injunction.

Workers and civil society groups carry placards as they march during a protest demanding that the government reinstate prices of fuel at 86.50 naira ($0.43, 0.38 euros) per litre in Lagos, on May 18, 2016.

Workers carry placards during a protest demanding that the government reinstate prices of fuel at 86.50 naira ($0.43, 0.38 euros) per litre in Lagos, on May 18, 2016.
 AFP PHOTO

A disgruntled faction of workers and civil society groups march with a banner and placards during a protest demanding that the government reinstate prices of fuel at 86.50 naira ($0.43, 0.38 euros) per litre in Lagos, on May 18, 2016..

Anti riot policemen look at workers sit during a protest demanding that the government reinstate prices of fuel at 86.50 naira ($0.43, 0.38 euros) per litre in Lagos, on May 18, 2016.
/ AFP PHOTO

Anti riot policemen look at workers sit during a protest demanding that the government reinstate prices of fuel at 86.50 naira ($0.43, 0.38 euros) per litre in Lagos, on May 18, 2016.
AFP PHOTO

A worker rings a bell during a protest demanding that the government reinstate prices of fuel at 86.50 naira ($0.43, 0.38 euros) per litre in Lagos, on May 18, 2016.. AFP

Workers carry placards during a protest demanding that the government reinstate prices of fuel at 86.50 naira ($0.43, 0.38 euros) per litre in Lagos, on May 18, 2016.
 AFP PHOTO