NEW : The suspected drone strike hits a vehicle and two people in Pakistan 's South Punjab . The U.S. does not comment on suspected drone strikes . Monday 's attack brings to question the number of drone strikes reported this year . The US believes terrorists are crossing into Afghanistan from the region .
NEW : The suspected drone strike hits a vehicle and two hideouts in Pakistan 's South Waziristan . The U.S. does not comment on suspected drone strikes . Monday 's attack brings to 29 the number of drone strikes reported this year . The U.S. contends insurgents are crossing into Afghanistan from the region .