Minnesota House Republicans sued Secretary of State Steve Simon on Thursday in an attempt to force Democratic members back into the chamber, the latest legal challenge in a weekslong political standoff between the two parties.

Democrats in the Minnesota House who have boycotted daily sessions are using tactics that lawmakers elsewhere have tried dozens of times in seeking to thwart their opponents.

Minnesota’s top court ruled that Republicans had overstepped their authority by conducting business in the Legislature even as Democrats boycotted the session.