But he said Hamas, which governs Gaza, "has the responsibility to prevent" violations of a cease-fire with Israel, such as the firing of two rockets Thursday morning from Gaza into southern Israel.
But, as Hamas's continued firing of missiles at southern Israel after Olmert declared the cease-fire on Saturday night showed, Israel failed to deter Hamas.
"We welcome the signing of a cease-fire with the U.S. forces ... although, we have not been firing at anyone and were in fact not a party to this war, " Rajavi said.