CAPE TOWN (Reuters) -South African authorities are investigating the deaths of at least 22 young people found inside a popular tavern in the coastal town of East London, provincial health officials and the presidency said on Sunday. State broadcaster SABC reported the deaths resulted from a possible stampede, but was scant on details as the exact cause of death remained unknown. The bodies will be transported to state mortuaries where relatives are expected to help identify both male and female victims, said Siyanda Manana, a spokesperson for the Eastern Cape provincial health department. “We …