burst into flames
go up in flames

Then he burst into flame for her, and lost himself.

I expected the room to burst into flames any minute.

But everyone knew that at any moment it could burst into flame.

Would he burst into flame at the first touch of the sun?

It had not burst into flame, and died out immediately.

One touch of it and he would burst into flame.

Each time they hit a target it will burst into flames.

Every inch of her body seemed to burst into flames.

It was a wonder her skin didn't burst into flame.

On the ground one of the right hand engines burst into flames.