KAMPALA—A Ugandan court ordered security forces on Monday to free opposition leader and pop star Bobi Wine, whose house arrest since a presidential election has drawn international pressure on President Yoweri Museveni’s government. Hours later, his large compound in a leafy northern suburb of the capital Kampala remained blockaded. “The military and police are still surrounding our home and indeed, they are still locking our gates and are not allowing anybody to move out, or anybody to come in,” he told Reuters in a video message. Former guerrilla leader Museveni, 76, has long been a Western ally, receiving copious aid and sending troops to trouble spots including Somalia to fight Islamist extremists. But foreign governments have become increasingly frustrated at his reluctance to cede power and crackdowns on opponents. Wine, 38, has been besieged at home since voting in the Jan. 14 election where he rode a wave of youth …