The shipping company "Tribeca" reported today, Tuesday, that navigation has been halted in the Bosphorus Strait in Turkey after the engine of a bulk carrier malfunctioned at the southern end of the strait, which passes through Istanbul. The agency noted that the engine of the bulk carrier Alexis, flying the Liberian flag, malfunctioned at 5 AM (02:00 GMT), and vessels have been dispatched to the site for a potential rescue operation.