France, Dec. 9 -- France's social security budget faces a knife-edge vote on Tuesday that could trigger a fresh political crisis and leave a €30-billion hole in funding for healthcare, pensions and welfare.

Prime Minister Sebastien Lecornu has no majority in parliament and his scramble to win Socialist support- including suspending PresidentEmmanuel Macron's pension reform- has alienated centrist and conservative allies, leaving the bill's fate uncertain.

Lawmakers in the lower house begin reviewing the bill after 4pm(1500 GMT) on Tuesday, days after narrowly approving the taxation side of the legislation.

French PM backs suspending pensions reform until 2027 presidential vote

Socialist leaderOlivier Fauresaid on Monday his part...