Yes
A traditional inline muzzleloader can be equipped with a mechanical safety. This safety feature helps prevent accidental discharge of the firearm by blocking the firing mechanism until the shooter is ready to fire.
The roof was accidentally set on fire by a cannon during a play.
Jack and Ralph accidentally let the fire go out while using the glasses to start it. Their neglect in keeping the fire going led to a missed opportunity for rescue when a ship passed by the island.
They are called muzzleloaders simply because the powder and bullet are loaded from the muzzle end of the gun, Here is a page from WIKIpedia that may help answer.http://en.wikipedia.org/wiki/Muzzleloader
You CAN. But it's extremely unlikely.
No
Thomas Farrinor's bakery started the fire accidentally, and the abundance of flammable materials continued to spread the blaze.
Cabella's
Yes
Anne's fountain pen, a gift from her grandmother, was accidentally swept into the stove, and being made of celluloid, it burned easily - only the pocket clip survived the fire.
the snake charmer's busteestables where horses are housed and the piles of wood all caught fire accidentally?teesta
If you mean friendly fire there is an investigation and it depends on the circumstances.