At least 153 are dead after twin earthquakes hit northwest Iran Saturday.<br/> <br />More than 1,300 were wounded as buildings were reduced to rubble.<br/> <br />Iranian officials say casualty numbers could well rise.<br/> <br />Iran is straddled by major fault lines and has suffered several devastating earthquakes in recent years, including a in 2003 that killed more than 25,000 people.
