Turkey will press on with its military operation in Syria despite the deadly attack on an Istanbul nightclub that was a "message" against the campaign, Deputy Prime Minister Numan Kurtulmus said on Monday.

"This was a message for our cross-border operations, above all the Euphrates Shield," he said, using the mission name of Turkey's campaign inside Syria. "We will carry on our cross-border operations and Euphrates Shield and with determination."

The shooting was claimed by the Islamic State (IS) militant group, which said it was in response to Turkey's intervention in Syria. Kurtulmus made no comment on the claim.