51.   A duty officer gave no details.

52.   A duty officer at Changi Airport confirmed the incident to The Associated Press, but could provide no details.

53.   A duty officer at the agency, a successor to the KGB, refused to comment Wednesday when contacted by The Associated Press.

54.   A duty officer at the Balkhash fire brigade said the blaze was localized Wednesday evening but had not yet been extinguished.

55.   A duty officer at the Defense Ministry said Thursday that he was unaware of such a report.

56.   A duty officer at the Interior Ministry in Moscow refused to comment on the incident when reached by The Associated Press.

57.   A duty officer at the ministry refused Sunday to comment on the report.

58.   A duty officer at the Moscow police refused to confirm the information.

59.   A duty officer at the U.S. embassy in Lisbon declined comment and referred all enquiries to the base, on the island of Terceira.

60.   A duty officer for the security service in Moscow confirmed the release, but could not give details.