US President Barack Obama and the six international mediators will discuss the progress of the Iranian nuclear program.
"On Friday morning, the President will meet with members of the 5+1 Group on the sidelines of the summit on nuclear security," the White House Deputy National Security Advisor, Ben Rhodes, said.
"He will be able to note progress in the implementation of the agreement with Iran," RIA Novosti cited him as saying.
"We see that Iran fulfills its basic obligations under the deal," Rhodes said.
Recall, the Nuclear Security Summit will be held in Washington on March 31 - April 1.
