However, the fires soon started threatening some of their positions.

"I tried not to respond to their questions, but they started threatening me."

Once David started threatening to take his work elsewhere unless she gave in to him, what was she going to do?

If Perim is angry enough, he might easily start threatening you.

Then the messages gave up on that tack and simply started threatening him.

She started threatening the stability of the ruling classes, at least in their own eyes.

"Ted probably started threatening the wife and kids to shut him up."

"Then I gave an interview to a news magazine, and they started threatening me."

They sent several letters that I ignored until they started threatening me.