His testimony corroborates that of convicted torture chief Duch, as prosecutors seek to tie Ieng Sary and two more leaders.
The program supports writers with editorial input and helps them break from self-censorship and traditional styles.
Police said the assault occurred when one of the purported victims and a security guard attempted to retrieve a necklace from the room.
The World Bank is holding an annual meeting and the ABD is currently reviewing its policies on projects.
Keat Chhon is among six senior government officials who have refused to appear before the tribunal.
The World Bank subsequently froze its funding to Cambodia, pending more results in curbing land grabs.
The courier, Sot Troeung, linked Nuon Chea to the torture center Tuol Sleng in testimony Thursday.
Sot Troeung, who is 62, told the court he carried letters from Nuon Chea to the head of Tuol Sleng prison, Duch.
Im Chaem did not say who had asked her to retire, but she said her name was withdrawn from a candidate’s list.
Duch told the court Nuon Chea ordered him to execute prisoners at the facility, known to the Khmer Rouge as S-21.
The filmmakers will receive the award May 21 in New York.
A tribunal spokesman said the list of witnesses who will testify remains confidential.