From the Daily News Egypt:

A Palestinian girl, believed to be 12 years old, was killed in clashes with Egyptian forces as a final attempt was made to return the Palestinians back across the border, sources in the area told Daily News Egypt.
Clashes led to the death of one girl and the injury of six other Palestinians as well as 40 Egyptian policemen, North Sinai Tagammu party member Hussein El Qayem told Daily News Egypt.
One of the six injured Palestinian men later died of his injuries.