The UN head of peacekeeping in the
Alan Doss, the head of the mission in
Monuc has come in for strong criticism from human rights and aid groups for providing operational and logistical support for an army offensive, Kimia II, against Hutu militias from neighbouring
UN forces have provided military firepower, transport, rations and fuel for government troops as they seek to disarm the militias.
Human Rights Watch called on Monuc immediately to suspend its support to the Congolese army or risk being implicated in further atrocities.
Human Rights Watch said it had documented the deliberate killing of at least 270 civilians in a remote part of
Most of the victims were women, children and the elderly, it said.
"Some were decapitated. Others were chopped to death by machete, beaten to death with clubs, or shot as they tried to flee."
According to Human Rights Watch, army soldiers have killed a total of at least 505 civilians from the start of Kimia II to September.
Other groups, such as Oxfam, have described the human cost of the attempt to defeat the FDLR as "unacceptable and disproportionate to the results it has achieved".
Eastern Congo has been ravaged by war and conflict since the 1990s, when perpetrators of the genocide in
Doss, who spoke at the Royal United Services Institute think tank in
"By extension, any Monuc support for the FARDC [Forces Armées de la République Démocratique du Congo] is criticised as condoning such abuse," Doss said.
"And yet I believe that the women and the children of eastern
Doss pointed out that Monuc's support for the army was not without preconditions, and that it had made clear that, where there was evidence of troops committing human rights violations, Monuc would withdraw its support.
He added that more than 30 army personnel had been prosecuted for crimes against civilians this year, and more such cases were being prepared.
The head of UN peacekeeping, Alain Le Roy, said Monuc would suspend support to army units it believes killed at least 62 civilians during the operations, reported The Guardian newspaper.
But he stressed the move would not affect the UN's broader support for the army.
Around 1,300 FDLR fighters have been disarmed and repatriated to
With a budget this year of $1.3bn and some 20,000 peacekeepers, Monuc is the world's largest UN peacekeeping mission.