Suicide attacker had entered UN WFP building by pretending to use toilet

London, Oct.6 (ANI): The suicide bomber, who blew himself up inside the premises of a UN building on Monday, had entered the building by pretending that he needed to use the lavatory, The Telegraph reports.

The attacker, who was dressed as a Pakistani Army soldier, was allowed to pass through security at the heavily guarded United Nations World Food Programme (WFP) building in Islamabad after he showed an immediate need to use the toilet.

Meanwhile, UN Secretary-General Ban Ki-moon has criticized the suicide attack terming it as a 'heinous crime against humanity'.

"This is a heinous crime committed against those who have been working tirelessly to assist the poor and vulnerable on the front lines of hunger and other human suffering in Pakistan," Ki-moon said in Geneva.

The United Nations has closed all its offices in Pakistan temporarily following the suicide attack, which coincided with the arrival of British Home Secretary Alan Johnson and Defence Secretary Bob Ainsworth. (ANI)