Two small drones penetrated the border from the Gaza Strip towards Israel on Monday evening and returned without being able to shoot them down.

Al-Jazeera correspondent said that the occupation forces have been working for weeks to monitor and follow-up what it calls a new threat is to target its forces near the security fence with the Gaza Strip drones carrying explosive materials.

In May, the Palestinian resistance revealed that an Israeli tank and a troop carrier were targeted by a small drones.

The Islamic Resistance Movement (Hamas) has succeeded in recent years in developing a program of drones, and used them at times against the occupation forces.

Tunisian engineer Mohamed Zouari, who was assassinated in Tunisia on December 15, 2015, is credited with developing the drones of Hamas.