Al Jazeera TV investigative report on Hamas missile factory

In an investigative article broadcast by Al Jazeera TV on 13 September about Hamas' missile manufacturing plant in the Gaza Strip, Hamas fighters revealed how they used Israeli ammunition that remained on the ground and did not explode in Operation Protective Edge; water pipes used by Israeli settlements evacuated from Gaza and converted into missiles; And the use of ammunition found on British ships that sank off the coast of Gaza in World War I.