Flare up

The fire flared up after we added more wood to it.

Reports indicate that tensions have flared up in the Middle East again.

The pain in my shoulder flares up when I turn my head.

The insult made him flare up.

“Well,” I says, “I cal'late a body could get used to Tophet if he stayed there long enough.” ¶ She flared up; the least mite of a slam at Doctor Wool was enough to set her going.

"It's my Welsh half that comes out when I flare up. Let the conjurors take their dirty money and let the rich folk keep their purses shut."