(LEAD) Malaysia to send police to collect DNA sample of Kim Jong-nam's son in Macao: reports
(ATTN: EXPANDS dateline; UPDATES with reaction from China, Malaysia in last 2 paras)
SHANGHAI/BEIJING, Feb. 23 (Yonhap) -- Malaysia will send its police officers to Macao Thursday to collect DNA samples of the son of Kim Jong-nam, North Korean leader