WASHINGTON (AP) — Republican Sens. John McCain, Lindsey Graham and Jeff Flake met with key House conservatives this week to promote legislation to overhaul the nation's immigration laws and provide a pathway to citizenship for an estimated 11 million illegal immigrants, McCain's communications director said Friday.

McCain, R-Ariz.; Graham, R-S.C.; and Flake, R-Ariz., are members of a bipartisan group of eight senators working to craft a comprehensive immigration bill to enhance border security, streamline legal immigration, ensure employers don't hire illegal immigrants and provide eventual citizenship to illegal immigrants already here.

If it gets through the Senate, the legislation faces a potentially tough road with House Republicans skeptical of granting citizenship to illegal immigrants, and the meeting included at least one lawmaker known for taking a hard line on the issue.