Police in Shanghai discovered two large navy artillery shells in the trunk of a car Sunday afternoon, China Central Television reported.

The shells are both 1.2 meters tall. Police found the shells during an X-ray inspection in Xicen township, Qingpu district in Shanghai.

After a preliminary inspection, police confirmed that the explosive devices in the shells had been removed. Police are waiting for reports from military experts to decide whether the shells are standard arms.

The car owner said the shells were gifts from relatives. Further investigation is underway.