Police crack down on family and political supporters of former PM who say authorities are ‘slowly killing’ him in prisonThree sisters of Pakistan’s incarcerated former prime minister Imran Khan have been arrested amid a heavy-handed government crackdown on plans for a nationwide protest to demand Khan’s release.The lawyer for the three sisters, Aleema Khan, Uzma Khan and Noreen Niazi, said on Monday that they had all been detained and jailed for 30 days under a warrant that accused them