gq magazine : do you need a companion enough minnesota , which can clinch a wild - card playoff spot with a loss by either carolina or st . louis this weekend , appeared on its way to retaking the lead . but a holding penalty on birk - - the vikings were flagged nine times for 78 yards - - wiped out a 16 - yard run by michael bennett that would have given them the ball at the green bay 40 just before the 2 - minute warning . the vikings ( 8 - 7 ) , though , couldn ' t get what they needed from a pass defense that has struggled all season . government spokesman raanan gissin said four soldiers were killed . six people were taken to hospital - - four badly hurt , one with moderate injuries and one lightly injured , military sources said . the sources said another soldier remained beneath the rubble . gissin said rescue operations were continuing sunday night . the attack " indicates that unless there is decisive and sustained effort taken to dismantle the terrorist organization , it will be impossible to move towards normalizations and towards political negotiations , " gissin told a news crew . " and i think the responsibility on that lies with the palestinian authority . " shortly after the first blast , a second explosion was heard in southern gaza , but its precise location was not immediately known . hamas , in a phone call to cnn , said it had set off the first explosion near rafah in cooperation with a group called the fatah hawks . there was no immediate information available on that group , although it was believed to be linked to the fatah movement formerly led by the late palestinian leader yasser arafat . israeli military sources said it was a coordinated attack , with palestinians firing mortar shells and guns at the post when the explosives were detonated . it was not clear whether there were palestinian casualties . news video of the aftermath showed soldiers using stretchers to transport troops who appeared to be severely wounded . in a pamphlet distributed after the attack , hamas said it had used 1 . 5 tons of explosives and had recorded video of the incident . palestinians have used tunnels in the area to smuggle weapons from egypt . israel has carried out operations to crack down on the smuggling . shell explosion in schoolyard an israeli tank shell exploded in a gaza schoolyard sunday morning , wounding eight palestinian schoolchildren , palestinian medical and security sources said . the children between the ages of 6 and 12 - - sustained moderate to light injuries , the sources said . the violence happened in khan yunis in central gaza israeli military sources said that forces in the area identified what they thought was a number of mortar shells being fired towards israeli settlements nearby . in response , the forces fired towards the positions with light weapons , but did not fire a tank shell , the military sources said .