Casten’s teen daughter has died

It's Tuesday morning, Illinois. The skies loomed gray last night

and our heart sank for the Casten family.

Gwen Casten, the 17-year-old daughter of Rep

Sean Casten has died, according to a statement from his office.

“This morning, Congressman Casten’s beloved daughter

Gwen (17), passed away. The Casten family requests privacy

and we will be issuing no further comment during this heartbreaking time.”

Downers Grove police were called to Casten's home just before 7 a.m.

yesterday and found a 17-year-old girl unresponsive

Cause of the death is under investigation.

Casten, who’s running for a third term in the 6th Congressional District,

faces fellow Rep. Marie Newman and Nicor Gas operation mechanic Charles Hughes in the June 28 Democratic primary.

Ad pause: Casten and Newman’s campaigns have both pulled their TV ad spots.

Newman statement: "My heart breaks for the Casten family for the devastating loss of their daughter. My prayers are with Sean, Kara,