QUETTA, July 13: PIA cancelled all its flights to Quetta on Thursday.

PIA sources told newsmen that four flights were cancelled on Thursday due to dusty weather in the valley.

The flights cancelled were as follows: Pk-363 Islamabad-Quetta-Karachi, Pk 352-Karachi-Quetta-Islamabad, Pk-323 Lahore-Quetta and Pk-322 Quetta-Lahore.

A severe dust storm hit the valley for the third consecutive day on Thursday, reducing visibility to less than a kilometre.—PPI