TIMELINE: Austin's deadly package explosions

AUSTIN, Texas -- Austin has had 3 package explosions this month, and a fourth blast that could involve a trip wire may be connected as well.

Here is a timeline of when these terrifying events occurred:

Friday, March 2

6:55 a.m.

Anthony Stephan House found a package that was left overnight on his doorstep. The package detonated, causing serious injuries. He was hospitalized and later died.

Monday, March 12

6:44 a.m.

A package found outside an Austin home exploded when it was brought inside. A 17-year-old boy was killed and a 40-year-old woman was badly wounded but expected to live.

11:50 a.m.

A similar package exploded at a residence across town, injuring a 75-year-old woman.

Sunday, March 18

8:32 p.m.

Austin police responded to a reported explosion on Dawn Song Drive. Two men in their 20s were taken to a hospital with serous injuries.

9:31 p.m.

Residents are advised to stay inside their homes while police comb the area.

Monday, March 19

"Do not touch any packages or anything that looks like a package. Do not even go near it," Austin Police Chief Brian Manley cautioned residents.