Independent candidates linked to jailed former prime minister Imran Khan appeared Friday to be heading to victory in Pakistan's election, local media tallies said, as a long delay in official results sparked fears of a fix.Khan's Pakistan Tehreek-e-Insaf (PTI) was barred from contesting Thursday's election as a bloc, but unofficial tallies by local TV channels showed independent candidates -- including dozens anointed by his party -- leading in the most constituencies.