Their concerns related specifically to Harbhajan's doosra, the delivery that spins away from a right-handed batsmanand surfaced only during Pakistan's-second innings. "It was noticeable to the umpires and me that there was an apparent change in action when bowling this delivery between the first innings of the match, when no concerns were raised, and the second, which then prompted the report to be made," said the former England batsman Broad.