FT923-13808 _AN-CGLAFAAJFT 920711 FT 11 JUL 92 / S African killings By MICHAEL HOLMAN JOHANNESBURG South Africa faces increasing instability in the coming months, a senior police officer warned yesterday, Michael Holman reports from Johannesburg. In the first six months of this year 1,181 people died in political violence, including 100 policemen. Last year 2,240 violent deaths were recorded, including 137 policemen. The Financial Times London Page 4