Hamas militiamen in the Gaza Strip on Thursday executed three Palestinians suspected of "collaboration" with Israel, according to Hamas-affiliated websites.
A senior Hamas security source was quoted as saying that the three, whose names were not released, were executed "after the completion of revolutionary procedures" with them.
The source said that the three were among seven suspected "collaborators" who were arrested while they were searching for targets in the Gaza Strip for Israel to attack.
It was not clear whether the remaining four "collaborators" would also be executed.
The source claimed that Hamas and other "resistance groups" had uncovered several informants in the field and through "special intelligence techniques."
The source called on residents of the Gaza Strip not to talk about the "resistance groups and their leaders because the collaborators are looking for any piece of information to pass on to the enemy in light of pressure and threats by Shin Bet officers."
Sources in the Gaza Strip said that several suspected "collaborators" have been summarily executed by Hamas since the beginning of Operation Protective Edge.
The sources said that Hamas security officers recently arrested a number of women on suspicion of passing on information to Israel about the movements of militiamen and the results of Israeli air strikes.