incidents happened when fire fighters were sent to deal with Mexico City protesters . Heroic Fire and riot police crews fought over who should deal with incident . Police arrived to ease tensions - but were fired upon by angry fire fighters . Furious city officials said the crews ' behaved like kids in a playground '
Fight happened when fire fighters were sent to deal with Mexico City blaze . Heroic Fire and Ceda Fire crews fought over who should deal with incident . Police arrived to ease tensions - but were set upon by angry fire fighters . Furious city officials say the crews 'behaved like children in a playground '