<P> Opinions were divided on whether any government headed by Thiệu could affect such a political solution . The Provisional Revolutionary Government's foreign minister had, on April 2, indicated that the PRG might negotiate with a Saigon government that did not include Thiệu . Thus, even among Thiệu's supporters, pressure was growing for his ouster . </P> <P> President Thiệu resigned on April 21 . His remarks were particularly hard on the Americans, first for forcing South Vietnam to accede to the Paris Peace Accords, second for failing to support South Vietnam afterwards, and all the while asking South Vietnam "to do an impossible thing, like filling up the oceans with stones ." The presidency was turned over to Vice President Trần Văn Hương . The view of the North Vietnamese government, broadcast by Radio Hanoi, was that the new regime was merely "another puppet regime ." </P> <Dl> <Dd> All times given are Saigon time . </Dd> </Dl> <Dd> All times given are Saigon time . </Dd>

Who occupied the presidential palace in saigon on 30 april 1975