Nigeria has started enforcing mandatory Covid vaccinations for all civil servants.
The move comes amid fears of the new Omicron variant.
The Nigeria Centre for Disease Control says three cases of the variant have been confirmed in the country.
Crowds of people were locked out of their offices at the gate of the Federal secretariat in the capital Abuja as they were asked to present proof of their vaccinations or PCR test results.
Meanwhile, a vaccination stand has been set up close to the secretariat main gate for those who are willing to get vaccinated.
