FORT LAUDERDALE, Fla. -

A deputy was injured Monday night at Fort Lauderdale-Hollywood International Airport while trying to break up a fight.

Broward Sheriff's Office deputies said the deputy was called after a brother and sister got into an argument with a ticket clerk at the Spirit Airlines desk.

In the process of trying to remove the siblings, the brother fell on the deputy, fracturing small bones in the deputy's arm, officials said.

The deputy was taken to the hospital. He is expected to be OK.

The brother and sister were arrested.