Iranian President Hassan Rouhani attends a joint press conference with Japanese Prime Minister Shinzo Abe after their talks in Tehran, Iran, June 12, 2019. (Xinhua/Ahmad Halabisaz)

TEHRAN, July 3 (Xinhua) -- Iran's President Hassan Rouhani said Wednesday that Iran will increase the percentage of its enriched uranium to higher purity in the coming days if the parties to the Iranian 2015 international nuclear deal fail to observe their commitments, Tasnim news agency reported.

Rouhani urged the United States and European parties to the nuclear deal to "honor their commitments and the resolutions of the UN Security Council," warning "otherwise, we will carry out our own measures."

"From July 7, our uranium enrichment will not be limited to 3.67 percent of purity," he said. "We will increase it to higher level of purity based on our needs."

After one year of U.S. exit from the Iranian landmark nuclear deal, Iran withdrew from implementing part of the nuclear deal on May 8 and threatened to take more actions in case Tehran's interests under the pact cannot be guaranteed.