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BOGOTA, Oct. 2 (Xinhua) -- The future of the Colombian peace process plunged into doubt on Sunday as a national vote on whether to accept the agreement with the Revolutionary Armed Forces of Colombia (FARC) went down to the wire, with the No camp taking a razor-thin lead.

A woman reacts after knowing the result of the vote for the peace agreement signed by the Colombian government and the Armed Revolutionary Forces of Colombia (FARC) at the headquarters of the "yes", in Bogota, capital of Colombia, on Oct. 2, 2016. On Sunday, Colombians voted against historic peace deal with Armed Revolutionary Forces of Colombia (FARC). (Xinhua/Jhon Paz)

While weeks of polling had shown a clear lead for the Yes camp, the No camp led by 50.23 percent to 49.76 percent for Yes with 99.69 percent of votes counted.

This will come as a massive blow to the government of President Juan Manuel Santos and the FARC, who came to a peace treaty in August after four years of negotiations.

The future of Colombia's peace process is now uncertain, since the FARC's willingness to disarm, gather in special zones across the country and transition to a political party relied on public acceptance.