Foreign Office spokeswoman Tehmina Janjua on Saturday said that there were no differences within the Pakistani leadership, report said. During the FOs weekly briefing, Ms Janjua said that US Secretary of State Hillary Clintons visit had led to discussions on strengthening ties between Pakistan and the US. Ms Janjua further stated that a tripartite agreement involving Pakistan, Afghanistan and the US would be signed in June in Kabul. Moreover, Ms Janjua said that Pakistans defence installations were being protected using international standards and that there should be no doubts about their security.