Ousainou Darboe, the man who came second in The Gambia’s presidential election, is challenging the result in court, the Reuters news agency reports his party as saying.
The incumbent, President Adama Barrow, was re-elected on 4 December taking a 53% share of the vote. Mr Darboe got 28% of votes.
This was the first presidential poll in the country since long-time president Yahya Jammeh fled the country in 2017.
Mr Darboe and two other candidates – Mama Kandeh and Essa Mbye Faal – issued a joint statement before the final result was declared, questioning the figures.
They said they were concerned at delays and that their party agents had raised a number of issues.
“After our executive meeting on Friday with our lawyers we have decided to file a petition today at the Supreme Court,” Reuters quotes Almamy Taal, who speaks for Mr Darboe’s United Democratic party, as saying.