KARACHI: Recent attacks on Christians and Westerners in Pakistan were part of a coordinated campaign by Pakistani Islamic militant groups linked to Al Qaeda and the Taliban, The Washington Post said on Saturday, quoting military and security sources. Hours after a grenade attack on a chapel at a Presbyterian hospital killed three people on Friday morning, top security aides to President Pervez Musharraf told him they had intelligence reports that factions of at least two banned Pakistani groups had joined forces for attacks on Westerners and Christians, senior officials familiar with the briefing said. Security officials said that the top...