Libya’s National Oil Corporation announced Tuesday the closure of a second export terminal, paralysing the vital energy sector in a North African country gripped by political crisis. The suspension of operations at Brega terminal, which has an export capacity of 60,000 barrels per day (bpd), follows a force majeur and closure on Monday of Zueitina port and several other major sites in the “Oil Crescent” region of eastern Libya. The NOC, in a statement, said it “declares a state of force majeure on the oil port of Brega because it is impossible to implement its commitments towards the oil marke…