71.   The Hopman Cup is an exhibition event with its own security rules and standards.

72.   The officials said the airport will open in a matter of weeks under new security rules, which include limiting the number of incoming and outgoing flights.

73.   The Russian government was investigating why Vlasov was traveling without the minimum of four bodyguards required under presidential security rules, the Interfax news agency reported.

74.   Those airports are not subject to current federal security rules.

75.   Belarussian authorities Thursday accused balloon race organisers of ignoring security rules that could have prevented the death of two balloonists shot down by air defence forces.

76.   With the weather getting colder, the residents had allegedly decided to reconnect the gas defying security rules, resulting in the explosion, rescuers said.

77.   Normal security rules would insist that all engines be cut.