Republicans hold few competitive seats in New York, which makes each district a possibly critical pickup to expand the slim House majority.

Five Democrats seeking to challenge GOP Rep. Mike Lawler are on the June 23 ballot in a primary for a key swing district in New York's Hudson Valley.

A number of Democratic strongholds are hosting competitive congressional primaries, with establishment incumbents and candidates trying to fend off left-wing challengers.

Republicans hold few competitive seats in New York, which makes each district a possibly critical pickup to expand the slim House majority.