WATCH LIVE: Bernie Sanders holds defiant presser refusing to drop out after Tuesday losses

Sen. Bernie Sanders (I-VT) is scheduled to hold a press conference at 1 pm ET on Wednesday after suffering losses in Tuesday's Democratic primary contests.

Sander is expected to discuss his future in the Democratic Party as he trails former Vice President Joe Biden in the race for the party's presidential nomination.

On Tuesday, Biden defeated Sanders in Michigan, Mississippi, Missouri and Idaho. Washington state was considered too close to call at the time of publication.

Watch Sanders' press conference below.