JERUSALEM, Israel -- Israel Air Force pilots scored direct hits on two weapons depots, a weapons manufacturing plant and three smuggling tunnels Thursday night in response to Palestinian rocket fire on southern Israel the day before.

Wednesday, Palestinian Arabs fired eight rockets on southern Israeli communities in the Sha'ar Hanegev Regional Council.

Seven landed in open fields and the eighth landed inside an agricultural community, without any property damage or personal injury.

According to Palestinian sources, a teenage boy and 4-year-old girl were injured in the strike in northern Gaza.

Meanwhile, the Shin Bet's (Israel Security Agency) monthly summary for January 2012 showed a decrease in terror attacks from the month before, especially from the Gaza Strip.

Fifteen attacks emanated from Gaza (nine rockets, five mortar shells and one explosive device), compared with 30 rocket and 11 mortar shell attacks (41 total) in December 2011.

In Judea and Samaria (the West Bank), January saw 27 terror attacks, compared with 26 in December.

Including Jerusalem, there were a total of 41 attacks (39 firebombs -- 14 in Jerusalem, 1 explosive device, and one small arms shooting).