maputo mozambique fire head intelligence army chief staff two weeks 16 people kill attack north country presidency say tuesday lagos lidimo dismiss director general information state security service replace julio jane previously commander police mozambique president filipe nyusi say statement gra chongo dismiss army chief replacement name presidency provide reason dismissals effective immediately early month police unidentified gunmen clash indian ocean port mocimboa da praia leave 16 people dead two police officer motive attack clear local media report attack carry islamists government confirm mozambique 's president dismiss head intelligence army chief