ISTANBUL — The Turkish Army launched an operation into Syria to evacuate soldiers guarding the Tomb of Suleyman Shah, which has been besieged by Islamic State militants, and move the tomb’s remains, an official and Turkish news media reported on Sunday.

The military then destroyed what was left of the site to prevent the militants from using the enclave, and one soldier was killed by accident during the operation, CNN Turk said Sunday, citing military officials.

The operation, called Sah Firat, began on Saturday and involved a large convoy of tanks and other heavy weaponry that entered Syria through Kobani, the Kurdish territory in Syria that has recently been freed of Islamic State militants in an American-led military operation, according to the Turkish newspapers Milliyet and Yeni Safak. The reports were pulled from the Internet almost immediately after being posted.

The military operation was conducted in correspondence with Enver Muslim, the leader of the Syrian Kurdish group in control of Kobani, and aimed to evacuate around 40 soldiers, including 20 elite troops from the Turkish special forces who guarded the tomb. Suleyman Shah was the grandfather of the founder of the Ottoman Empire. His tomb is considered by the government here to be in Turkish territory, and it has been guarded by Turkish soldiers.