Celebrity Cruises has released the following statement on cancelling a scheduled call in Turkey:

Due to the security situation taking place in Turkey, Celebrity Cruises has cancelled Celebrity Reflection’s overnight stay in Istanbul. Instead, the ship will overnight in Athens (Piraeus), Greece, and also call to Rhodes, Greece. We appreciate our guests’ understanding and cooperation, and looking forward to welcoming them aboard.
 
We will continue to closely monitor the situation in Turkey and will contact guests or their travel agents should we make any modifications to upcoming itineraries.
 
The safety and security, of our guests and crew members is always foremost in our minds.