Residents sift through rubble after tornadoes demolish homes

Gopala Penmetsa walks past his house after it was levelled by a tornado near Omaha (Chris Machian/Omaha World-Herald/AP)

Residents are sifting through the rubble after a tornado ripped through suburban Omaha, demolishing homes and businesses.

Dozens of reported tornadoes wreaked havoc in the US Midwest, causing a building to collapse with dozens of people inside and destroying and damaging at least 150 homes.