Complex sentence: He was the leading Labour Party Senatorial Candidate for FCT senate seat before he was abducted by 4 armed men on his was from a radio house in Abuja, this made the Abuja Nigeria Labour Congress, his main backers to boycott the election.
Split into simpler sentences: He was the leading Labour Party Senatorial Candidate for FCT senate seat before he was abducted by 4 armed men on his was from a radio house in Abuja. This caused the Abuja Nigeria Labour Congress, his main backers, to boycott the election.