According to his campaign, Sanders will address supporters on Thursday night to announce his next step.
If Clinton becomes the official Democratic nominee, she will need to rally Sanders voters in order to win the White House.
Hillary Clinton, the presumptive Democratic nominee to the White House, won the Washington, D.C. primary on Tuesday.
The former secretary of state won 79% of the votes in the capital and now has 2,784 delegates while Sanders trails her with 1,877.
Clinton closes this primary season with 34 victories over Sanders, including eight of the last 11 contests.
Fuente: http://elpais.com/elpais/2016/06/15/inenglish/1465997932_527152.html
