A judge in Connecticut has just ordered a new election after allegations emerged of what appeared to be ballot stuffing in the Democratic Mayoral primary in Bridgeport, Connecticut, the New York Post reports.

Bridgeport is the largest city in the state.

The original Democratic mayoral primary held in September was won by incumbent Mayor Joe Ganim by 251 votes.

However, that vote was overturned after losing Democratic mayoral candidate John Gomes released videos of two election workers allegedly stuffing stacks of ballot papers in 15 election boxes across the city.

Ballot stuffing, which is illegal in Connecticut, occurs when campaign workers personally approach individuals to fill out absentee ballots. The workers collect these ballots and then deposit them in drop boxes set aside for absentee voters.

“Under Connecticut law, voters using a collection box must drop off their completed ballots themselves, or designate certain family members, police, local election officials or a caregiver to do it for them,” New York Post reporter Richard Pollina explains.

In ordering a second election, Superior Court Judge William Clark ruled that there was enough evidence of mishandling of ballots that it left serious doubts about the legitimacy of the election.

READ: Connecticut judge orders new Bridgeport mayoral primary after videos showed possible ballot stuffing