LONDON (Dow Jones)--BP PLC (BP.LN), a global energy company, said Wednesday that oil and gas is flowing through a second containment system attached to the Deepwater Horizon rig's failed blow out preventer, or BOP. MAIN FACTS: -This second system supplements the lower marine riser package cap containment system, which remains in operation. -The new system is connected directly to the BOP and carries oil and gas through a manifold and hoses to the Q4000 vessel on the surface. -The Q4000 uses a specialized clean-burning system to flare oil and gas captured by this second system. -Operations continue to stabilize and optimize the performance of the second containment system. -Shares at 1340 GMT flat at 342 pence. -By Tommy Stubbington, Dow Jones Newswires; 44-20-7842-9268; tommy.stubbington@dowjones.com (END) Dow Jones Newswires June 16, 2010 09:43 ET (13:43 GMT)