Holyfield started the bout slowly and in the second round, he was cut in the left eye following an accidental clash of heads.

A replay showed that the cut was caused by an accidental clash of heads.

During the fight, an accidental clash of heads caused a cut and Ayala was deducted a point.

After sustaining a cut from an accidental clash of heads, Chávez won a controversial decision.

They also said they would install an emergency telephone line "to prevent accidental armed clashes."

However, a replay showed that the injury was in fact caused by an accidental clash of heads, and should thus be ruled a no decision.

Chavez was injured in an accidental clash of heads and unable to continue.

The referee had ruled the cut was caused by an accidental clash of heads and so the fight went to the scorecards.

Nevertheless, that resolution of Parliament turned a series of accidental clashes into systematic military operations.

In the third round, there was an accidental clash of heads.