(CNN) Pakistan airspace remained closed Thursday morning local time as the country's increasingly fraught tensions with India disrupted thousands of flights worldwide for the second straight day.

All international and domestic commercial flights in and out of Pakistan were canceled "until further notice," Pakistan's Civil Aviation Authority told CNN.

Thousands of people were also stranded by affected airlines that not only land in Pakistan, but fly over its airspace -- one of the major routes from Southeast Asia into Europe.

Thai Airways announced that all its European routes "departing near midnight of 27 FEB through early 28 FEB" were canceled "due to sudden closure of Pakistani airspace as a result of tension between India and Pakistan."

On Thursday morning, there were no Thai Airways flights between Bangkok and London, Munich, Paris, Brussels, Milan, Vienna, Stockholm, Zurich, Copenhagen and Oslo, the airline said in a statement.

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