Karachi- At least seven persons including woman and children died in several rain-related incidents in different parts of the mega-metropolis city here. Rescue sources said three persons died of electrocution after rain at Buffer Zone and Machchar Colony in North Karachi, while a woman and two children were injured as the wall of their house collapsed, who were shifted to hospital, where the woman and a child succumbed to their injuries. Meanwhile, two more persons died of wall collapse in SITE and Gulshan-e-Murad areas here. Heavy rainfall with strong winds was reported from I.I. Chundrigar Road, Kharadar, Meethadar, Burns Road, F. B Area. Nazimabad, North Karachi,Gulshan-e-Iqbal, Malir, Airport, Gulistan-e-Jauhar, Shah Faisal Colony, Landhi, Korangi, Gulshan-e-Maymar, DHA, Clifton and other areas. Rainwater inundated roads in different parts of the city. Due to the heavy rainfall, multiple grid-stations of KElectric (formerly KESC) went offline with dozens of feeders tripping causing blackouts in multiple areas of the metropolis. KElectric spokesman, Usama Qureshi, emphasised that teams were working to restore the 80 effected feeders adding that power would be restored in the next four hours.