Police fired tear gas at supporters of a Canada-based cleric at Islamabad airport on Monday as he returned to Pakistan to lead what he has called a "revolution" against the elected government.
Pro-Russian gunmen shot down a Ukranian military transport plane Saturday in the separatist east, killing all 49 people on board in the biggest single loss of life in the two-month insurgency.
Heavily armed militants launched an assault on Pakistan's busiest airport in the southern city of Karachi, leaving at least 24 dead including 10 militants in a six-hour siege that the army quelled at dawn.
The main airport in Ukraine's eastern city of Donetsk shut down on Monday after being raided by dozens of armed separatists who vowed to keep up their resistance a day after presidential polls.
Dozens of protesters clashed with police late Friday, throwing fireworks and torching at least two vehicles near Sao Paulo's airport, which has just opened a new international terminal ahead of the World Cup.
The Taliban launched their annual "spring offensive" on Monday by firing rockets at Kabul airport, but the attack missed its target and caused no casualties, Afghan officials said.
Pakistan will set up mandatory polio immunisation points at its international airports in response to recommendations by the World Health Organisation, the health ministry said.
Philippine President Benigno Aquino publicly apologised on Wednesday for failures in air conditioning at Manila airport, already named by an online travel guide as the world's worst.