Carmen Roberts

I'm Carmen Roberts.

This is Fox News.

Iran threatens U.S.

troops.

I'm Carmen Roberts, Fox News.

Iran's Speaker of the Parliament says if the U.S.

launches a ground invasion, it will set American troops on fire.

Thousands more U.S.

troops arrived in the Middle East over the weekend.

Fox's Lucas Tomlinson at the White House.

Meantime, back in the U.S., air travelers face massive lines at Baltimore's Washington International Airport yesterday, but conditions are much better this morning.

This flyer was happily surprised.

BWI says the lines are shorter today because fewer people are flying and it opened an extra security checkpoint.

But passengers at other airports are still frustrated as they stand in long lines.

Tomorrow, TSA agents should start seeing their first paycheck in six weeks.

But Congress is still at loggerheads over funding DHS.

America's listening to Fox News.

Gas prices are holding steady just below $4 a gallon, with drivers paying an average of $3.98.

AAA say that's a dollar higher than prices were before the war with Iran started.

Rising crude oil costs are keeping pressure on gas and diesel prices.