Pirates hijack chemical tanker off with 21 Filipino crew members;
Somali pirates on Thursday freed an Algerian-owned ship with 25 crew members onboard after 10 months of captivity, the same day pirates hijacked a chemical tanker with 21 Filipino crew members.
Pirates exchanged fire with security forces and hijacked a Greek-owned oil tanker with 24 Russian crew off Togo on Tuesday in the latest attack in the region, the International Maritime Bureau said.