Seif Al-Islam has highlighted the strategic importance of Brega as an oil harbour and says the Libyan Government can't allow Libya's oil and gas hub to fall into enemy hands.
He says without Brega six million people have no future because Libya exports all of its oil from there.
Gaddafi's son insists the air strikes are not against civilians.
Meantime a ship loaded with one thousand tonnes of flour bound for Benghazi in eastern Libya has returned to port without delivering its cargo because of reports of aerial bombardments in the area.
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The Rome-based World Food Program had chartered the ship.

