Omarosa Manigualt (Monica Morgan/WireImage)
According to TMZ, a group of people — including MLK Jr.'s siblings and grandchildren — were on a charter bus leaving the rally when a van ran a red light. This forced the bus driver to slam on the breaks and dodge the vehicle.
Former "Celebrity Apprentice" contestant Omarosa Manigualt, 39, was also a passenger and tweeted about the incident:
The bus driver was reportedly transported to a nearby hospital.
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