1.   The blaze was caused by an electrical fault.

2.   Arsonists are thought to have caused the blaze which spread through the roofs of Trent Street, in the Rivers area of Middlesbrough yesterday.

3.   But other safety experts say there is no more chance of a cell phone setting off an explosion than there is of static electricity causing a blaze.

4.   Fire Commissioner Thomas Von Essen said that investigators believed the blaze was caused by a lamp cord that was wrapped around a radiator upstairs.

5.   In September, the garbage caught fire, causing a blaze that took five days to put out.

6.   Investigators determined that an electrical short in an unvented dryer in the living room caused the blaze, igniting clothing around the appliance.

7.   Officials do not know what caused the blaze, though they do not suspect arson.

8.   Shortly afterward, federal officials were accused of causing the blaze.

9.   A fire official said fire marshals were at the scene trying to determine what caused the blaze.