How did two Fuqing people die and injure when they were shot in a cafe in Argentina?

Southeast Network, December 18 (Straits Metropolis Daily reporter Chen Kun) on the afternoon of December 16 local time, in front of a cafe in downtown Buenos Aires, two Chinese youths were shot by a dark-skinned man, one was killed on the spot and one was seriously injured. According to a Chinese doing business in Argentina, two Chinese men were sitting at a table on the sidewalk in front of the cafe at the time of the incident.