Nine year old child bride fights for divorce – Why is this allowable under Sharia Law?

I realise Muhammad married his wife when she was 6 years old. But the fact that they still let it happen in countries like Saudi Arabia and Yemen is atrocious. ______ Yemeni schoolgirl Nujood was divorced by the age of 10 having been married to a man of 30 when she was only nine. As [...]