Original sentence: Although the militants are not affiliated with Hamas the attacks are condoned by them.Since 2002, militants have used homemade Qassam rockets to hit Israeli towns in the Negev, such as Sderot.The introduction of the Qassam-2 rocket has allowed militants to reach large Israeli cities such as Ashkelon, bringing great concern to the Israeli populace and many attempts by the Israeli military to stop the proliferation and use of the rockets
Edited sentence: Since 2002, Hamas has used homemade Qassam rockets to hit Israeli towns in the Negev, such as Sderot.The introduction of the Qassam-2 rocket has allowed Hamas to reach large Israeli cities such as Ashkelon, bringing great concern to the Israeli populace and many attempts by the Israeli military to stop the proliferation and use of the rockets