According to both Shia and Sunni sources , he was among the many who pledged allegiance to Ali at the event .
Abu Bakr attended the event of Ghadir Khumm , which took place a few months before Muhammad passed away .
According to both Shia and Sunni sources , Abu Bakr was among the many who pledged allegiance to Ali at the event .
Abu Bakr attended the event of Ghadir Khumm , which took place a few months before Muhammad passed away .