21.   Norwegian divers, watched by police of the Swedish Palme murder investigation team, started their dive Tuesday afternoon, the Swedish news agency TT reported.

22.   Norwegian divers were expected to arrive Sunday.

23.   Norwegian divers aboard another vessel were also approaching the site but were not due there until Sunday.

24.   The breakthrough came after the Norwegian divers labored through the day Sunday to get the hatch open.

25.   The current salvage operation is being conducted by two Dutch companies with the participation of Norwegian divers.

26.   The Norwegian divers who reached the wrecked ship said Wednesday their work at the site was technically simple but emotionally demanding.

27.   The Norwegian divers had looked into a chamber below the escape hatch, but had not gotten into the main body of the submarine, Navrotsky said.

28.   The Norwegian divers had looked into a chamber below the escape hatch, but had not gotten into the main body of the submarine, officials said.

29.   The Russian navy said the Norwegian divers were looking at ways to open an internal hatch below the escape entrance.

30.   When Norwegian divers were finally invited to perform the work, four days after the sinking, they did it within hours.