Palestinian security officials said they would try to prevent any violence by the group.
Palestinian officials said three had been on an Israeli wanted list.
Palestinian security officials were not immediately available to comment on the report.
Another boy, 12, was shot in the legs, Palestinian officials said.
Some of the priests, Palestinian officials and others inside the church said they did not believe him, however.
Palestinian officials said the meeting might take place even sooner.
Electricity and water was also cut to the area, Palestinian officials said.
Israel and Palestinian officials say specific sites have yet to be decided.
Eight children were among the more than 25 wounded, Palestinian officials said.
Palestinian officials said several other women had also been wounded slightly.