A Greek boxship has demolished a crane in an accident in Indonesia.

Video footage shows the 1,645-teu Soul of Luck (built 1997) crash bow-first into the structure at Semarang on Saturday.

Shouts of "Allahu akhbar" can he heard as the impact takes place and the crane crumples on to containers and vehicles.

Manager Victoria Oceanway of Athens told TradeWinds the cause of the incident was not yet known, but investigations were underway.