Thomson ReutersFebruary 16, 2013 10:00
* Thousands of workers clean up Chelyabinsk
* Some people sceptical after no big fragments are found
* Emergencies Ministry, Putin push for quick clean-up
By Andrey Kuzmin
CHELYABINSK, Russia, Feb 16 (Reuters) - Thousands of Russian emergency workers went out on Saturday to clear up the damage from a meteor that exploded over the Ural mountains, damaging buildings, shattering windows and showering people with broken glass.