21.   For the second time in a week, Vietnamese authorities have located a mass grave containing Communist soldiers killed during the Vietnam War, a local official said Wednesday.

22.   Formosa One has been seized and is being held by Vietnamese authorities.

23.   Hall also told Hendon in a letter that Vietnamese authorities promised to give the U.S. government access to any site it requests where POWs are alleged to be held.

24.   He said, however, that Vietnamese authorities faced difficulties in housing the returning boat people.

25.   In an unprecedented act, Vietnamese authorities broadcast the address, live and in a taped replay on Friday night.

26.   In an unprecedented act, the Vietnamese authorities broadcast his speech live.

27.   In an unprecedented act, Vietnamese authorities broadcast the address, live and in a taped replay.

28.   It was unprecedented for Vietnamese authorities to broadcast the address, live and in a taped replay on Friday night.

29.   It was unprecedented for Vietnamese authorities to broadcast the address, live and in a taped replay.

30.   Johnson said embassies of the United States and other countries have raised with Vietnamese authorities the question of the detentions involving the Buddhist mission.