Chicago next terror target for ISIS?

Just as military leaders are pressuring the White House to expand the fight against ISIS, soldiers of the Islamic State of Iraq and Syria have posted an image that alludes to a threat against Chicago.

On Twitter, an ISIS supporter or member posted this:

The writing on the card is in Arabic, but reportedly says:

soldiers of the Islamic state of Iraq and Syria will pass from here soon

A Twitter and Facebook battle has been raging between ISIS and those supportive of the United States:

ISIS tweets include:

-AND-

With Americans and their supporters posting response tweets such as:

-AND-

The new way to fight the war on terror.