Pakistan State Oil (PSO) is seeking at least 80,000 tonnes of jet fuel for April-June delivery by tender, which is due to be awarded on March 19, a document showed on Wednesday. The state-owned firm is seeking one 16,000-tonne cargo for April delivery at Keamari port, and another parcel of the same volume for May delivery to the same port. It is also seeking three 16,000-tonne parcels for April-June delivery, with the option to buy an additional cargo for the same arrival months at Keamari.