Brussels: Turkish President Recep Tayyip Erdogan is separately meeting top EU officials in Brussels on Monday for talks dominated by the migrant crisis and the deepening conflict in Syria where he has backed rebels seeking the ouster of long-time Russian ally President Bashar al-Assad.
Turkey warned that if there was any repeat intrusion, Russia "will be responsible for any undesired incident that may occur".
Erdogan says Russia's bombing campaign in Syria is "unacceptable" and has warned Moscow it is making a "grave mistake". Nato has stationed Patriot missiles on Turkey's southern border with Syria to prevent any spillover from a bitter conflict which has left 250,000 people dead and sparked a mass exodus of migrants seeking safety in Europe.
The missiles are however due to be pulled out shortly and it is uncertain if they will be replaced. Nato has said previously the issue was under review.
