21.   Fire investigators said they found a methampethamine lab near the fire pit where they believe the blaze began.

22.   It appeared the blaze began in film storeroom at the Cinema Riposi, which has five screening rooms.

23.   It was unclear how the blaze began.

24.   Meanwhile, the news agency cited some witnesses as saying the blaze began after assailants hurled firebombs from a black car in front of the store.

25.   No one was injured in the ninth-floor apartment where the blaze began, but several residents of the building were treated for smoke inhalation and shock.

26.   Police could not confirm reports that the blaze had begun with several loud explosions.

27.   Survivors said no alarm or smoke detectors went off when the blaze began.

28.   That blaze began as a signal fire started by a lost hiker.

29.   The blaze began at a Philadelphia Gas Works facility.

30.   The blaze began earlier in the week with a controlled burn that got out of hand when winds whipped up.