Wind forces flight cancellation in Sydney

Gale-force wind gusts have forced the cancellation of up to 70 flights at Sydney airport.

Up to 70 flights have been cancelled in and out of Sydney airport as strong winds buffet the runways.

A Sydney airport spokeswoman said planes were restricted to using only one runway due to the gusty conditions on Thursday.

The Bureau of Meteorology has recorded wind gusts at the airport of up to 67km/h.