The FTSE 100 ended a losing week on the back foot as investors weighed UK local election results and fresh clashes between the US and Iran in the Middle East . AJ Bell investment director Russ Mould said: “While officially the ceasefire between the US and Iran remains in place, an exchange of fire in the Strait of Hormuz has helped to extinguish some of the hope that a deal between the parties might be close.” The FTSE 100 closed down 43.88 points, 0.4%, at 10,233.07. The FTSE 250 ended down 33.34 points, 0.2%, at 22,849.38, and the AIM All-Share fell 3.89 points, 0.5%, at 814.43. For the week, the FTSE 100 fell 1.4%, the FTSE 250 rose 1.7% and the AIM All-Share advanced 2.0%. Iranian media reported fresh “sporadic clashes” with US naval forces in the Strait of Hormuz on Friday, following a flare-up the night before, despite the ceasefire in the Gulf.…