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BP reports some progress in oil well "top kill" bid

MIAMI, May 28 (Reuters) - BP BP.L sees some progress in its "top kill" bid to plug its leaking Gulf of Mexico oil well, but it could still take another 48 hours to conclude whether it has been fully successful or not, BP Chief Executive Tony Hayward said on Friday.

Hayward told CNN BP engineers had injected a “junk shot” of heavier blocking materials -- such as pieces of rubber -- into the failed blowout preventer of the ruptured wellhead, and would also pump in more drilling “mud” -- all part of the “top kill” procedure being attempted.

“We have some indications of partial bridging which is good news,” he said.

“I think it’s probably 48 hours before we have a conclusive view,” he added. (Reporting by Pascal Fletcher)