A campaign poster for Nigeria's incumbent president and candidate Muhammadu Buhari and his Vice-President Yemi Osinbajo, pictured in Lagos, on January 4. At least three journalists were injured by stray bullets after a fight broke out at a campaign rally for the ruling APC party. (AFP/Pius Utomi Ekpei)
A campaign poster for Nigeria's incumbent president and candidate Muhammadu Buhari and his Vice-President Yemi Osinbajo, pictured in Lagos, on January 4. At least three journalists were injured by stray bullets after a fight broke out at a campaign rally for the ruling APC party. (AFP/Pius Utomi Ekpei)

In Nigeria, three journalists injured by gunfire while covering political rally