Former U.S. Presidents Joe Biden, Barack ​Obama and Bill Clinton are expected to join thousands of mourners at a public memorial ‌service for Jesse Jackson in Chicago that will honor the longtime civil-rights activist and Democratic political leader.

Former Presidents Bill Clinton, Joe Biden and Barack Obama attend Rev. Jesse Jackson's homegoing service in Chicago on Friday.

Presidents Clinton, Obama, and Biden are attending the funeral of Jesse Jackson in Chicago.

Mourners attend a public service for civil rights leader, the Rev. Jesse Jackson, at House of Hope in Chicago on Friday. Former Presidents Bill Clinton, Barack Obama and Joe Biden, former Vice