Smart Adeyemi has been sworn in as the lawmaker representing Kogi West at the upper chamber of the National Assembly.
Adeyemi replaces former Senator Dino Melaye who was sacked by the elections petition tribunal, which ordered a rerun election.
Adeyemi however defeated Melaye in the rerun poll of November 16.
He polled 88,373 votes to defeat Melaye who secured 62,133 votes.
The oath of office was administered on Adeyemi by Nelson Ayewoh, clerk of the senate, on Wednesday. This was overseen by Senate President Ahmad Lawan