Health minister says nearly 4,300 people injured

Two powerful earthquakes – with magnitudes of 7.2 and 7.5 – sent residents running into the streets as buildings shook and collapsed

Rescuers search for survivors in collapsed buildings as USGS warns of potentially catastrophic casualties

US Geological Survey estimates 44 per cent chance fatalities could exceed 10,000

Acting president says at least 32 people killed and hundreds more injured