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May 26 (Reuters) - UK stocks climbed on Tuesday, with the FTSE 250 touching a near three-month high on renewed optimism over U.S.-Iran talks, while BP dropped after removing Chair Albert Manifold.

The blue-chip FTSE 100 .FTSE closed 0.2% higher at 10,491.39 points, touching a five-week high. The FTSE 250 .FTMC climbed 0.7% to its highest since March 2 in its fourth straight session of gains.

• BP BP.L shares dropped 4% after Chair Albert Manifold was ousted with immediate effect, citing governance standards, oversight and conduct issues, months after he took office to help oversee a strategy revamp.

• U.S. and Iran signalled progress on a memorandum of understanding that could halt conflict between the two nations and restart shipping through the pivotal blockaded Strait of Hormuz.

• However, U.S. strikes in southern Iran tempered some enthusiasm that the deal was imminent.

• Major lenders HSBC HSBA.L, Barclays BARC.L and Lloyds LLOY.L were among the top boosts to FTSE 100, while Rio Tinto RIO.L and Glencore GLEN.L rose 2% and 3%, respectively, as metals prices firmed. MET/L

• The FTSE 100 index had ended a four-week losing streak on Friday after softer economic data weakened expectations of a Bank of England rate hike.

• However, the latest report showed British shop price inflation sped up in May on the back of disruption and higher energy costs caused by the war.

• Among individual stocks, Kingfisher KGF.L rose nearly 4% after the home improvement retailer maintained its full-year profit outlook despite a drop in first-quarter underlying sales.

• Melrose Industries MRON.L fell 5.3% after an overheating chemical tank at its GKN Garden Grove facility in California triggered an emergency response and evacuation orders over the weekend.