New Zealand police on Wednesday ruled out any link between a bomb found in Christchurch and mosque shootings in March which killed 50 Muslim worshippers.
A bomb exploded in a van and killed 11 people at a military checkpoint in the restive southern Philippines on Tuesday in an attack that officials blamed on militants with ties to the Islamic State group.
A roadside bomb which hit a bus in restive western Afghanistan on Tuesday killed at least eight people and wounded around 40, mostly women and children, officials said.
A bomb exploded outside the US embassy in Beijing on Thursday, wounding the lone assailant, the embassy said in a statement, although police described the weapon merely as a "firework device".
A United Airlines flight from Rome to Chicago was diverted to Shannon Airport in Ireland on Monday after "a message" was discovered on board, Irish police said.
Two unidentified men walked into a restaurant on Thursday in the Canadian city of Mississauga and set off a bomb, wounding more than a dozen people, and then fleeing, authorities said.
Police defused a World War II bomb Friday at a construction site in the heart of Hong Kong after more than 1,000 people were evacuated from the area, in the third such discovery in the city this year.
German rail operator Deutsche Bahn said it expected long-distance train transport at the central station to be disrupted from 10 am to 2 pm local time.