Long-time California Democratic Senator Dianne Feinstein died Thursday night. She was 90 years old. 

Feinstein had suffered from health and memory problems in recent years, according to The New York Times. According to Fox News, Feinstein was present in the Senate Wednesday and cast a vote at 11:45 a.m. ET, but she missed the afternoon votes. 

This is a developing story and will be updated.