The incident soon became known outside the camp and was written about in resistance newspapers.

It's quite possible that the girl has no one to come to her defense should the incident become public.

And in the last few weeks I'd noticed that incidents like this had become more frequent.

Why do you believe the incidents have become more frequent?

The incident became widely known, and even covered by Reuters.

The incident has become known as "the women who sang their way out of jail."

Fortunately, in most countries these incidents are becoming less frequent.

By a year or so later, apparently, such incidents had become frequent.

Yet he said incidents of discrimination had become increasingly rare.

The incident has become deeply embarrassing for the Bush administration, precisely because of its caution.