CAMDEN COUNTY, N.J. - Two drivers are injured after police say a car hit a school bus in a head-on collision Wednesday morning.The crash occurred on the 1400 block of Jarvis Road in Gloucester Township around 8 a.m.Police say the driver of a Toyota Camry suffered a medical emergency when he crossed over the yellow line and hit the school bus head-on.Police say one child was onboard when the bus crashed.