Sepp Blatter "deeply saddened" by stadium deaths

FIFA president Sepp Blatter has expressed his sadness upon learning that three people died while working on one of the venues for next year's World Cup in Brazil earlier today.

Reports have claimed that a crane collapsed onto the stadium in Sao Paulo at around lunchtime.

I'm deeply saddened by the tragic death of workers @Corinthians arena today. Our heartfealt condolences are with the families.

— Joseph S Blatter (@SeppBlatter) November 27, 2013

Some speculation has suggested that the number of deaths could rise over the coming hours.