BREAKING A bomb threat was made today against an aircraft operated by Swiss Intl Airlines at Zurich airport, a spokesman said - @ChannelNewsAsia

A bomb threat has been taken place on a Swiss aircraft at Zurich.

Swiss flight LX146 was to depart at 12:45pm (1145GMT)

Passengers and crew had not yet on the aircraft and were in the terminal.

Police have not confirmed that they were investigating a bomb threat, saying only that a police operation was in progress. Swiss Intl Airlines and parent group Lufthansa were not available to comment on this.