New York City Mayor Bill de Blasio asked the federal government on Wednesday to provide more money to a 9/11 fund that assists sick first responders, making the plea after a new report said the fund may run dry before fulfilling its mission.

The September 11th Victims Compensation Fund was created to cover the health-care costs for volunteers and rescue workers who have become sick since responding to the 2001 terrorist attacks on the World Trade Center, the Pentagon and United Flight 93 that crashed near Shanksville, Pa....