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.

Swedish foreign minister says prosecutors were not allowed to conduct investigation on board Yi Peng 3. Read more at straitstimes.com.

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.

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,

The Chinese bulk carrier Yi Peng 3 has set sail for Egypt after an investigation into its role in severing two underwater communication cables in the Baltic Sea. The departure comes despite concerns from Sweden over the thoroughness of the investigation.

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.