All crew on a Maersk containership are safe after the vessel was boarded by pirates off Nigeria.

The incident took place on 5,466-teu Maersk Tema (built 2015), which is operated by the Danish company and owned by Germany's Schulte Group, 170 nautical miles (315km) south-west of Bayelsa on Friday morning.

Piracy reporting organisation Maritime Domain Awareness for Trade-Gulf of Guinea (MDAT-GoG) issued a warning that a vessel had been attacked and boarded by pirates.