China has allowed representatives from Germany, Sweden, Finland and Denmark to board a Chinese bulk carrier at the centre of an investigation into Baltic Sea cable breaches, the Danish foreign minister said on Thursday.

China has provided information and documents to a joint investigation into two severed Baltic Sea undersea cables, and has invited Germany, Sweden, Finland and Denmark to participate in and complete the inquiry,

Sweden's foreign minister said Monday that China had denied a request for prosecutors to conduct an investigation on a Chinese ship linked to two severed Baltic Sea cables despite Beijing pledging "cooperation" with regional authorities.

A Chinese bulk carrier that is under investigation following a breach of two fibre-optic cables in the Baltic Sea is again moving after sitting still for more than a month in a nearby Danish shipping lane,

Beijing on Monday promised to continue "cooperation" with regional authorities over a Chinese ship linked to the recent severing of two undersea cables in the Baltic Sea. Beijing on Monday confirmed the ship had left to "to ensure the physical and mental well-being of the crew".

A recent incident in the Baltic Sea has led to sharp criticism of China, as Swedish officials express outrage over China’s refusal to allow a Swedish prosecutor aboard a Chinese vessel suspected of severing two undersea cables.