Deadly overnight storm in Pakistan's largest city Karachi, kills 21 and leaves several injured; watch video

Karachi witnessed tragedy as heavy rains and strong winds claimed at least 21 lives. Walls, roofs, and trees collapsed across the city. The most devastating incident occurred in Moach Goth, where 13 people died after a wall fell. Other fatalities included roof collapses and electrocution. Rescue teams continue their efforts.