Millions of people are being urged to seek shelter immediately as dramatic news footage shows trucks and other massive debris being thrown across the skies in Texas. Weather service advisories issued today said storm spotters and radar revealed separate tornadoes south of Dallas and Fort Worth. Incredible news footage of the twister shows a massive funnel cloud and tractor trailers being launched above the area.


Crumpled orange tractor trailers were later visible in a Dallas County parking lot, as well as flattened trailers along the sides of highways and access roads. The weather service said 'considerable damage' also was reported near Cleburne, south of Fort Worth, and Lancaster, south of Dallas. The Fort Worth Star-Telegram reported that officials at DFW International Airport have warned anyone in the airport to retreat to terminal storm shelters and to stay away from windows. All flights into and out of the airport have been cancelled.
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Dallas Police spokeswoman Sherri Jeffrey said an apparent twister touched down and caused damage within the city's southern limits. Officials had no immediate information about injuries.

The weather service says the tornado south of Fort Worth caused 'considerable damage' near Cleburne. The agency said in its warning: 'National Weather Service meteorologists confirmed a large and dangerous tornado near Hutchins. This is a dangerous situation ... seek shelter now!! This is a tornado emergency for Dallas and Hutchins!'

Local television footage shows a large funnel cloud on the ground near Interstate 35 south of Dallas. The weather service says the 'large and extremely dangerous' tornado was near Lancaster about 20 miles south of Dallas and moving north. The weather service is also reporting other developing tornadoes as a band of severe storms moves through the area.

A tornado watch is in effect for most of the counties in north Texas.