A mortar bomb fired from Syria hits Turkey Wednesday killing a woman and four children from the same family.<br/> <br />At least eight other people were wounded.<br/> <br />Turkey signaled over the weekend that it would take action if there was a repeat of a mortar strike which damaged homes last Friday.<br/> <br />Syria's worsening bloodshed has increasingly impacted border zones, with stray bullets flying into Turkish territory.<br/> <br />Turkey beefed up its troop presence and air defenses along its border after Syria shot down a Turkish reconnaissance jet in June.