NATO said today that one of its soldiers was killed by a roadside bomb in southern Afghanistan, near where another foreign soldier was killed in a small arms fire, dpa reported. Meanwhile, one Afghan civilian, a police officer and a private security guard were killed and dozens others were injured in suicide and roadside bombings elsewhere in the country, officials said. Both foreign soldiers were killed on Sunday, NATO said, without revealing the nationalities. Most of the troops stationed in the southern region are from the United States, Britain, Canada and the Netherlands. The latest deaths took to 223 the total number of foreign soldiers killed this year in the country, according to icasualties.org, an independent website that tracks fatalities in Iraq and Afghanistan.