WASHINGTON: Jan 19 (INP) The United States reiterated Friday morning its prior call to Pakistan to prosecute Hafiz Saeed, the accused mastermind behind the 2008 Mumbai attacks, a senior administration official said in a press briefing. The US has sent a message to Islamabad to conduct precise operation against Saeed, Heather Nauert, the spokesperson for the US Department of State stated. INP/AH