Pirates hijack two European - owned chemical vessels off the coast of Somalia . 23,000-ton Norwegian - owned M / V Bow - Asir seized . M / V Athena , a 9,000-ton Greek - owned tanker also seized .
Pirates hijack two European-owned chemical tankers off the coast of Somalia . 23,000-ton Norwegian-owned M/V Bow-Asir captured . M/V Nipayia , a 9,000-ton Greek-owned vessel also seized .