Netanyahu said he presented an alternative to the proposed outline nuclear deal, which the world powers, known as the P5+1, hope to initial before the end of the month.
Republican senators queried Secretary of State John Kerry on what concessions the Obama administration was willing to make with Iran at nuclear talks in New York.
A report from the nuclear watchdog of the United Nations is expected to show that Iran is complying with the terms of an interim agreement regarding its nuclear program.
