A Sig Alert has been issued for northbound I-805 near I-15, after a rear-end collision that has seriously injured two adults and a 5-year-old.
The crash occurred at 1:48 p.m. Thursday and the Sig Alert was issued shortly after 2:00.
The two-vehicle crash involved a red car and a light-colored tan pickup. It is not clear which vehicle hit the other nor in which vehicle the child was riding.
The slow lane is blocked until further notice and traffic is backed-up to Market Street, according to the CHP.
Three ambulances were called to the scene.