Complex sentence: SSA headquarters was led by Chairman Khun Kyar Nu and secretary Set Say Wai and in Lwe Khay region, it was led by Vice-chairman Ohn Paung Pon Taing and Chief-of-Staff Sai Hla Aung.
Split into simpler sentences: SSA headquarters was led by Chairman Khun Kyar Nu and secretary Set Say Wai. In Lwe Khay region, it was led by Vice-chairman Ohn Paung Pon Taing and Chief-of-Staff Sai Hla Aung.