There is mine threat in Big Port St. Petersburg, port authority says

There is a mine threat in Big Port St. Petersburg. According to the port authority, the liquidation of an “explosive object” with termination of vessels’ navigation in the water area within the 3-km radius has not been implemented because of unfavorable weather.  The operations on mine threat elimination will be performed by the Leningrad naval base upon improvement of meteorological conditions and favorable weather forecasts. Seafarers will be promptly warned.