GOTHENBURG. Sweden. Aug 7: Deposed 100 metre Uthst Unford Christie underwent intensive treatment for his hamstring injury Monday and he remained doubtful for the 200 and sprint relays later at the World Championships, reports AP.

"It is a somewhat serious injury. It will put in some doubt his running the 200 metres." said British team spokesman Tony Ward.

The 200 heats start on Thursday, the team sprint relays Saturday, making Christie s recovery a race against time.

His leg would be scanned later Monday before a final assessment M his Injury will be made, said Ward

Michael Hill, the sports promotion manager of Christie's sponsor Puma, said Christie will leave Sweden Tuesday (or an assessment of another doctor before making a decision It is believed Christie will fly to Germany.

Perhaps he will come liack." and run the relays over the weekend. Hill said.

Tt will be decision by" a doctor and Linford to see whether he will come back."

He is pulling a brave smile on things." said Ward, who denied rumours Christie had already pulled out of the championships, which finish Sunday