Despite the presence of the Chinese cargo vessel Yi Peng 3 near the damaged cables, no direct link has been established, and investigations are ongoing.
A Kremlin spokesman recently said U.S.' approval for Ukraine to use missiles inside Russia would mark an escalation in the more than two-year-long conflict.
The opposition has called for the UK to give backing for Ukraine to use British Storm Shadow missiles to strike at Russia following the shift in U.S. policy.