At 0535 UTC 31 MAR 18 an MV in position 1357N 05143E was fired upon by 2 skiff, AST returned fire and skiffs moved away. Vsl and crew are safe. Vessels transiting the area are advised to exercise extreme caution.
Source : UKMTO
UPDATE
When the skiffs closed in around 100 meters from the tanker the pirates fired upon the tanker. The armed guards onboard the tanker returned fire, resulting in the pirates aborting the attack and moving away