President Barack Obama attended a meeting hosted by Tehran’s arch-rival Saudi Arabia. Photo: JNS.org.

The US continues to have “serious concerns” about Iran’s behavior even after the watershed nuclear deal last year, President Barack Obama said Thursday during a meeting hosted by Tehran’s arch-rival Saudi Arabia.

While the agreement signed on July 14 had helped “cut off every single one of Iran’s pathways to a nuclear weapon,” illegal Iranian arms shipments, ballistic missile tests, and “destabilizing acts” were a continued worry for the US and its allies, the president said.

Read full story at NBC News.