Local media reports:

WJRT-TV, Flint: “Former President Barack Obama and former Vice President Joe Biden will be in Flint on Saturday. They are planning to take part in a drive-in event around 1:45 p.m. at an undisclosed location. The event is closed to the public, but will be livestreamed on the Biden-Harris campaign website…”

MLive.com:

Former President Barack Obama will visit Flint and Detroit Saturday to campaign for Joe Biden, his past running mate and 2020 Democratic presidential candidate.