Explosion at Turkish-Syrian border: bomb attack or falling shell?

Nine people died as a result of an explosion at the border between
Turkey and Syria. Among the victims are five citizens of Syria and
four citizens of Turkey, Haber Turk reports citing the mayor of
Reyhanli, Hüseyin Shanverdi.

30 people were previously reported wounded. The explosion
occurred 40 meters from the border line on the Turkish side in a
parking lot with cars that deliver humanitarian aid to Syria.

As reported earlier by Vestnik Kavkaza a powerful explosion took
place at the Turkish-Syrian border today.

There are two versions of the event. The media reports that there
could have been a bomb in the exploded car. According to another
version of events, the car was hit by a shell.