ZCZC TA52 251447 UTC JUN OOSTENDERADIO MSI 277/26 OOSTENDE-ZEEBRUGGE POSSIBLE EXPLOSIVE ON THE SEABED MARKED BY ONE YELLOW AND ONE ORANGE BUOYIN POS 51-20.5N 002-53.6EV_ING IS REQUESTED NOT TO ANCHOR NOR TO FISH IN THE _ITY. NNNN