The King Cobra(2007)

Original title: เลื้อยสยอง

Ying Narintorn, a special forces officer manages to capture a terrorist. However, the latter will escape him quickly. At the same time, a very powerful laser system recently developed is being tested in the building, but the experiment will turn to disaster, causing a chemical reaction on a snake. Transformed into a real killing machine, the overpowering reptile now haunts the corridors of the complex ...