A bipartisan group of state lawmakers is launching a ballot initiative that aims to curb foreign influence in Maine ballot campaigns.

The proposal is similar to the bill that the Legislature enacted this year, but was ultimately vetoed by Democratic Gov. Janet Mills.

That bill would have barred corporations owned by foreign governments from electioneering in ballot campaigns, effectively closing a loophole that allows foreign governments and companies to influence Maine voters through advertising, even though they are prohibited by state and federal law from spending on candidate elections.

The proposal had bipartisan support, …