The personnel were killed and five others were wounded in a fire exchange in the city of Nawa, Syrian Arab News Agency quoted an official source as saying.
Two members of the armed group were also killed and another 15 were wounded, he added.
In a separate incident, a military checkpoint in the city of Izra, also in Daraa, was stormed by unknown gunmen. The attack left two of the guards at the post injured while one of the militants was killed by the return fire of government forces.
On Saturday, funeral processions for the victims of Friday protests turned into pro-reform rallies in several cities.
Unidentified snipers gunned down three mourners and wounded another in Douma, a Damascus suburb.
In Daraa, two others died and several more sustained injuries during an attack on a procession that had departed from the provincial capital.
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