By bne IntelliNews Unmarked drones were spotted on the territory of Serbia entering from the direction of Kosovo, raising tensions between Belgrade and Pristina, officials in Belgrade told local media on November 2. The Serbian army is ready to respond, officials said. This coincides with the expiry of the deadline for re-registering Serbian cars in Kosovo, an issue which has worsened the relationship between Serbia and Kosovo in the last few months. A day earlier, Defence Minister Milos Vucevic said that President Aleksandar Vucic had ordered the military readiness of the army to be raised in…