No explanation has been given of what happened to him.

No explanation for the changes was given in the series.

At the time, he gave no explanation for the decision.

Their eyes were full of question, but he gave no explanation.

So the following day, I left without giving an explanation.

"What you will do is give me an explanation for your behavior."

They did not give the children or many of their parents an explanation for the change.

He gave a clear explanation of what the report is about.

In none of these cases, the report says, was such an explanation given.

Five cases or so remain, for which no explanation has been given.