ISLAMABAD : US Ambassador to Pakistan Richard Olson has extended his deepest sympathies to those injured and to the families of those killed in the horrific attack on the Peshawar seminary. In a statement issued on Friday, he said that the United States stands ready to assist Pakistani authorities in investigating this heinous crime in order to bring those responsible to justice. "We condemn such attacks on places of worship, whether they take place in Pakistan or any other country. Such extremist violence is an assault on the values of the people of Pakistan and a threat to a prosperous future for all citizens", Olson added.