In the two accidents, a total of nine high school students suffered bumps and bruises.
One woman, seven months pregnant, walked away from the crash site suffering only bruises.
One officer had a broken hand, while others suffered bruises.
She also suffered scrapes and bruises to the left side of her face.
The mother suffered bruises while trying to protect the baby, he said.
The van driver suffered bruises and cuts from broken glass.
Three children suffered bruises and were expected to be released shortly, a hospital spokesman said.
The police said one man lost an arm, while 20 others suffered cuts, bruises and other injuries.
Two people suffered cuts and bruises, but no one was seriously hurt.
The driver of the van suffered only cuts and bruises.