ISLAMABAD, Pakistan (AFP) — Pakistan has closed land crossings with Iran and Afghanistan for travellers and slashed international flights as the government warned of a “critical” few weeks ahead in the battle against Covid-19. The border restrictions were announced Sunday as the country prepared to mark the Muslim holiday of Eid al-Fitr, which usually sees the mass movement of people between cities and villages as well as the return of migrant workers and overseas Pakistanis […]