Credit: WENN.com Photo: Bristol & Mark Week 9 Dance

We weren't very impressed by Bristol's semifinals performances either, but this is a little extreme...

A SWAT team posted up outside a home in Wisconsin yesterday — after a shotgun toting 67-year-old man blasted his TV because he was so enraged with Bristol Palin's performance on Dancing with the Stars.

Read the full story at TMZ.com.

MORE ON BRISTOL'S UNEXPECTED SUCCESS:
Why Bristol Will Win DWTS Season 11
Video: Bristol and Mark's Semifinals Paso Doble
How Operation Bristol Could Hurt DWTS AND Sarah Palin