In Pakistan, a bomb resembling a toy killed at least six children today in the northwestern tribal area bordering Afghanistan. The bomb exploded while the children were playing with it in Speenmark village in the South Waziristan tribal district.<br/>'<br/>A local government official told AFP on condition of anonymity that the six children were all boys, aged between six to 12 years. Two others were wounded critically. <br/><br/>Another local security official confirmed the incident and casualties. The origin of the bomb was unclear.<br/><br/>