Hundreds of Turkish troops backed by tanks took part in an overnight operation into neighboring Syria to evacuate dozens of besieged soldiers guarding an Ottoman tomb and remove the remains amid fears the shrine was threatened by Islamic State militants. The mission late Saturday, saving Turkish soldiers reportedly stuck for months at the tomb of the grandfather of the founder of the Ottoman Empire, was the first such major military incursion by Turkey since the Syrian conflict began in March 2011. Turkish Prime Minister Ahmet Davutoglu said nearly 600 Turkish soldiers on some 100 tanks and armored personnel carriers crossed...