When the teacher bent down to pick them up, the officer struck him across the side of the head.
He said that the officer struck him at least twice.
The officer lost control of his car on a wet street and struck a tree, the police said.
On Wednesday before the closing, the undercover officers struck again.
As I turned, another officer of the same kind struck me with a short club and also instructed me to look out.
But if it does happen, he said, officers would not strike.
None of the witnesses saw any officer strike the man, they said.
This meant that if the officers did not strike before then, any possible action would be delayed by years.
She said other officers struck him with their fists and a nightstick.
Another officer, they said, struck a 13-year-old boy in the head.