France, Jan. 29 -- Prime Minister Francois Bayrou has come under fire over his remarks on immigration that have sparked controversy, threatening the fragile political alliances that are keeping his government afloat.

Prime Minister Francois Bayrou is facing a political challenge after his recent comments on immigration stirred controversy across the political spectrum.

His remarks about France being "flooded" with immigrants have put his delicate parliamentary support at risk, particularly from the Socialists who had previously helped him survive a no-confidence vote.

Bayrou, who has been working to maintain a fragile coalition, stated on Monday that while immigration is "a positive" factor, it should be "proportionate" to the country'...