In Pakistan, six persons were killed and many other injured when a suicide bomber targeted the funeral prayers of a tribal elder in the northwest today.Police officials were quoted as saying by TV news channels that the bomber struck in Jandol area of Lower Dir district of the restive Khyber-Pakhtunkhwa province.The elder whose funeral was targeted was the nephew of Malik Muhammad Zareen, a prominent tribal leader who was himself killed in a suicide attack in Kunar province of Afghanistan in April.No group claimed responsibility for the attack.