SRL for [imprisoned]: In the port of Berbera , for example , hundreds of men of the rival Issak clan were rounded up in May 1988 , [imprisoned] , and then taken out at night in groups of five to 50 men to be executed without any judicial process whatsoever .
ARG-M-LOC: In the port of Berbera | ARG-M-DIS: for example | ARG-1: hundreds of men of the rival Issak clan