Hijacked Chinese bulk carrier De Xin Hai released off coast of Singapore . Somalia -flagged The De Xin Hai also released . The De Xin Hai , with crew of about 350 , was hijacked in as many days by pirate group in Indian Ocean .
Hijacked Chinese bulk carrier De Xin Hai released off coast of Somalia . Singapore-flagged Kota Wajar also released . The De Xin Hai , with crew of 25 , was hijacked in October by pirate group in Indian Ocean .