Divers found a cannon 100 metres off the coast of Po Toi Island, in 11-metre-deep water. Photo: HKUAA
Divers off Hong Kong's southernmost island find cannon and anchors which may be remnants from 1944 shipwreck
Group believe objects may have come from a cargo ship carrying 500 Hong Kong citizens into exile during Japanese occupation
Divers found a cannon 100 metres off the coast of Po Toi Island, in 11-metre-deep water. Photo: HKUAA
