Awwal 25, 1432 / April 29, 2011, SPA -- Three NATO service members were killed in separate incidents in Afghanistan, where attacks have stepped up against coalition troops and others aligned with the government, the alliance said Friday. NATO said the deaths occurred on Thursday - two service members were killed when a bomb exploded in the south and a third was killed by insurgents in the east, as AP reported. The deaths raised to 48 the number of foreign troops killed so far this month, compared with 33 in April 2010.