Passenger ferries were docked at ports in Greece on Monday due to the start of a 48-hour strike called by the Panhellenic Seamen's Federation (PNO).

The sailors are protesting that the multi-bill passed through Parliament on Sunday allows ferry companies to offer employees in-house contracts, thereby bypassing collective bargaining with the union.

PNO is also demanding several other provisions be withdrawn. It has warned of further strikes.