Casten's teen daughter has died

Congressman Casten's daughter, Gwen (17), died this morning. Gwen was the Congressman's beloved youngest child, and The Casten family asks for privacy during their time of grief.

The cause of his daughter’s death was not immediately evident.

According to a statement from the Downers Grove Police Department, officials responded to a complaint of "an unresponsive 17-year-old female

in the neighbourhood where the Illinois Democrat resides on Monday morning before "first responders discovered the individual was deceased

Casten was one of the House members who voted last week to approve legislation that would have nationalised red flag laws.

Gwen Casten's Twitter account also claims she was active in gun violence advocacy work as co-director of the Illinois chapter of March For Our Lives.

She was recently featured in a political advertisement for the candidate seeking a third term in Congress.