Six pirates armed with knives and machetes boarded a chemical tanker underway from astern using ropes in…

Original warning text

1. SIX PIRATES ARMED WITH KNIVES AND MACHETES BOARDED
   A CHEMICAL TANKER UNDERWAY FROM ASTERN USING ROPES
   IN 03-23.7N 105-22.1E AT 171720Z SEP. THEY ENTERED
   THE ACCOMMODATION, WENT TO THE BRIDGE AND TOOK
   HOSTAGE THE DUTY OFFICER, HIT HIM ON HIS HEAD AND
   TIED UP HIS HANDS. THEY THEN TOOK HIM TO THE
   MASTER'S CABIN, WHERE THE PIRATES STOLE CASH AND
   PERSONAL BELONGINGS OF THE MASTER AND DUTY OFFICER.
   THEN WENT TO THE CHIEF OFFICER'S CABIN AND STOLE
   PERSONAL BELONGINGS. THE PIRATES THEN TOOK THE
   CAPTAIN ON DECK AND HELD HIM HOSTAGE UNTIL
   THEY DISEMBARKED INTO THEIR BOAT AND ESCAPED.
   NO INJURIES TO CREW. CAUTION ADVISED.
2. CANCEL THIS MSG 04 OCT.