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.

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.

Foreign ministry spokesperson Mao Ning made the remarks at a news briefing when asked about a Financial Times report that Sweden had criticized China for refusing full access despite an open investigation,

China said on Monday it had provided information and documents for an open investigation into the severing of two Baltic Sea undersea cables, though it and Sweden disagreed over how transparent Beijing had been in the case.

The Chinese authorities have provided investigators with information and documents regarding severing telecommunications cables in the Baltic Sea, Beijing's Ministry of Foreign Affairs announced on Monday.

Sections of two telecoms cables were cut on November 17 and 18 in Swedish territorial waters. Suspicions have been directed at the Yi Peng 3, which according to ship tracking site