Firefighters waiting for bomb squad to check out backpack
A Fire Department spokesman said the mall's sprinkler system is being used as a "first line of defense" against a fire in the mall until the bomb squad tells firefighters they can move in.
A Police Department bomb squad moves into to check out a backpack that police say the suspect left behind.
Around 12:10 p.m.
A suspect is taken into custody.
Roseville Fire public information officer Dennis Mathiesen said that the situation "is extremely dangerous" for firefighters.
"We have to make sure we don't run in there too quick," said Mathiesen.
Police said they do not know of any motive for the suspect setting the store on fire.
Firefighters can be seen moving toward the mall, apparently positioning themselves to fight the fire.
Sprinklers in mall are activated.
Smoke can be seen rising from the mall.
Police have not been able to make contact with the man, Roseville Police officer Jerry Wernli said.
Police know who the suspect is but they are not releasing the man's name
About 10:30 a.m.
A subject walked into a business, identified by a Roseville spokeswoman as GameStop on the mall's second level.
The man, described as being in his 20s, was speaking incoherently, saying his sister was being held captive.
He told employees to leave and also said that he was armed.
After employees left he lit something on fire.