A bomb exploded next to an underground train station in the Chilean capital of Santiago on Monday afternoon, wounding at least 10 people, and the government said it bore the signs of "a terrorist" act.
The Yemeni air force bombed Shi`ite Muslim fighters north of Sanaa on Saturday in fighting that killed at least 70 people, local officials said, after a truce reached last month between the insurgents and government forces collapsed.
A call from a man claiming to have an assault rifle at Harvard University and to have planted bombs there prompted police on Saturday to evacuate several buildings at the campus and launch a search for explosives, but the area was later declared safe, authorities said.
Two Egyptian police officers were killed on Monday while trying to defuse makeshift bombs planted near Cairo`s presidential palace by Islamist militants close to the anniversary of the army`s overthrow of an elected Islamist president.
Syrian jets bombed on Saturday rebel-held eastern areas close to the border with Iraq under the control of the jihadist group the Islamic State in Iraq and the Levant (ISIL), killing and injuring dozens in stepped up raids against the militant group since its Iraqi offshoot made stunning gains in northern Iraq.