Oil prices have fallen on speculation the conflict in Libya may be coming to an end after rebels entered the capital Tripoli.
Brent crude futures fell 1.7% to $106.8 a barrel, while US sweet, light crude was steady at $82.9 in early European trading.
Victor Shum is a senior principal at the energy consultancy firm, Purvin and Gertz. He explained why Libyan oil is valuable to the market.
