What happened: President Arif Alvi has granted posthumous Tamgha-e-Imtiaz for three Chinese professors who were killed in a suicide bombing at the Confucius Institute at the University of Karachi. Previously: In a suicide attack on a van transporting Chinese professors from the institute, four persons were killed, including three Chinese nationals and their Pakistani driver. The Chinese instructors were recommended for the posthumous Tamgha-e-Imtiaz in appreciation of their contributions to building Pakistan-China relations and improving education and cultural exchanges. More: The honours were bestowed in accordance with Article 259 of the Constitution and the Decorations Act of 1975.