The P5+1 group of international negotiators and Tehran may reach an agreement on the Iranian nuclear program by Thursday evening, a senior diplomatic source in one of the Western delegations told Sputnik on Wednesday.

VIENNA (Sputnik) � Iran and the six world powers, including Russia, the United States, China, France, the United Kingdom and Germany, are working on the deal ensuring that Tehran's nuclear program will be peaceful in exchange for relief of sanctions.

Negotiators will continue talks this week in Vienna, Austria.

"It [reaching the deal] is doable for tomorrow evening if the discussions move ahead [at the ministerial meeting] tonight," the source said.

A diplomatic source with another delegation confirmed this possibility.

"Tomorrow late evening [may] be the time for a deal," the diplomat told Sputnik. "If nothing happens this midnight."
By Sputnik News