How does ash affect planes?

As Bali’s Mount Agung continues to spew ash, the island’s only airport is closed for business.

But authorities say a bigger eruption could take place,and that would affect air travel for a much wider region. so why is it so dangerous to fly into an ash cloud?

 

Non-evacuees may be forced to leave area.

people who have not left their homes around a rumbling volcano in Bali may be forcibly evicted,indonesian authorities have said.