Overview

• Rescue teams are working through searing heat and cramped alleyways to clear debris and find survivors.
• Officials have confirmed 21 fatalities and warn that several residents may still be trapped under the five-storey rubble.
• Authorities say eviction notices were issued over the past three years, but some tenants and the building owner deny ever receiving warnings.
• President Asif Ali Zardari has called for an immediate probe into the causes of the collapse and for measures to prevent future tragedies.
• Sindh Building Control Authority and local officials are inspecting hundreds of dilapidated structures across Karachi to identify and evacuate those at risk.