AlQa'dah 4, 1434, Sep 10, 2013, SPA -- Oil prices fell below $109 a barrel Tuesday, AP reported. Benchmark oil for October delivery fell $1.16 per barrel to $108.36 at midday Bangkok time in electronic trading on the New York Mercantile Exchange. The contract fell $1.01 to close at $109.52 a barrel on the Nymex on Monday. Brent, the benchmark for international crudes, dropped $1.03 to $112.69 per barrel on the ICE Futures exchange in London.