No, no it can't. The battery will drain, but not much else. The temperatures you'd see wouldn't even be likely to reduce the lifetimes of components.
This is inconvenient and annoying, but not life threatening. Stop being alarmist.
This is inconvenient and annoying, but not life threatening. Stop being alarmist.
http://www.harrogate-news.co.uk/2012/02/24/fire-chiefs-issue...
Laptop fire blamed for Vancouver death
http://www.cbc.ca/news/canada/british-columbia/story/2009/08...
Laptop overheats, starts fire that destroys west St. Louis County home
http://www.kmov.com/news/local/Firefighters-battling-blaze-a...
Israel Police: Fatal fire in family home likely caused by overheated laptop
http://www.haaretz.com/news/national/israel-police-fatal-fir...
etc...
etc...