Months after the start of an anti-corruption crackdown, Saudi authorities are still holding a senior prince and several dozen businessmen and former officials in detention and recently have made new arrests, government officials said. Some of the detainees have been beaten and deprived of sleep while being questioned, officials and people close to the detainees said. In some cases, these people said, those in custody haven’t been charged with crimes and have been permitted little or no contact with relatives or lawyers. Many are being held at a maximum-security prison outside the capital, while others are being housed in palaces that have been converted into detention centers, two government officials said. The officials acknowledged that some prisoners had been subjected to rough treatment. Spokesmen for the Saudi government didn’t respond to requests for comment. The country’s deputy attorney general has said some detainees face charges that go […]