How did Elezibeth Sladen die in Sarah Jane adventures?

Significance of Jose Rizal's death? Do I as personal representative have to pay medical bills that I do not have money for? What is the code for death cape? Who kills for money? How did Albert Einstein died? Is there a Scripture in the Bible about creamation? How long does it take for rigor mortise to set in after complete blood loss? Can you kill someone with a sponge? What does Abraham Lincoln's tombstone look like? When did Washakie die? How did some people died in the 9 11? Is a home mortgage covered and paid in a basic home owners insurance in the even of death? How long does it take to die in -25 degree? How do i contact my deceased husband? How old was Casper the ghost when he died? In My Brother Sam is dead why does Father say that war isn't worth it? Has Michael Biehn been in any other movies besides Tombstone? What are attitudes about death and dying? Can You Breathe When What if your Brain Is Dead? How old was Albus Dumbledore when he died?

How did Elezibeth Sladen die in Sarah Jane adventures?