Army confirms Code Red alert heard in communities of Zimrat, Shuva, Kfar Aza and Sa'ad was not triggered by incoming rocket

No injuries or damage; incident comes days after video from a nearby town showed staff rushing children to safety

Two incoming projectiles shot down by Iron Dome, others apparently strike open fields; attack sends hundreds of Israelis rushing to bomb shelters

Military investigating what triggered the alarms; no immediate reports of injuries or damage