sentences:  Although the Japanese sporadically shelled the knoll during March, there were no further Australian casualties.The 25th Infantry Battalion, which had established its headquarters and main defensive position around the knoll, in front of the Puriata River, sent out patrols every day, and on 9 March, one of these reported having killed 10 Japanese soldiers without loss to itself.The Japanese also began making dawn attacks, in which light machine gunners would approach by stealth, set up and fire on the Australian positions, then retire to their own lines, away.