ISLAMABAD, Pakistan (CNN) -- Five people, including two Americans, were killed and more than 40 others wounded Sunday in a grenade attack at a church in Islamabad, Pakistan. CNN Correspondent Ash-har Quraishi surveyed the unsettling scene inside the church and reported the following from Islamabad: QURAISHI: The attack occurred just after 10 a.m. local time in the Protestant International Church in Islamabad. Now, that's located in a diplomatic area considered to be very safe. Two attackers apparently entered the church as services were being carried out there and threw a number of grenades at parishioners inside the church. Two of...