By Nyasha Dube A HARARE-HEADQUARTERED firm, R.P Mkushi and Sons, is suing the Zimbabwe Electricity Transmission and Distribution Company (ZETDC) for over US$180 000 after one of its properties in Gutu, Masvingo, was gutted by a fire following a spark from rundown power cables. R.P Mkushi and Sons, together with its tenant, Chakwesha Investments, approached…