PORTLAND — At least three Maine legislators from Portland are endorsing a citizen’s initiative seeking to legalize recreational possession of marijuana in the city.

Reps. Benjamin Chipman, Matthew Moonen and Diane Russell are holding a news conference Friday expressing their support for the ballot question in next Tuesday’s election. The owner of a cupcake company and possibly a fourth legislator will also be on hand.

Portland voters are being asked if they support a local referendum to make it legal to possess, but not buy or sell, up to 2.5 ounces of pot.