Some 60 to 70 people were killed and hundreds were injured by an explosion at a fertilizer plant outside Waco, Texas, local media reported, citing the local emergency manager.
The deadly explosives detonated at the Boston Marathon were homemade devices full of nails and metal fragments, possibly packed into kitchen pressure cookers.
At least two rockets exploded in Israel's Red Sea resort town of Eilat early on Wednesday causing no casualties but prompting the authorities to close the airport.
"Family Guy" creator Seth MacFarlane condemned Tuesday a doctored online clip of the show depicting its star using a cellphone to trigger explosions at the Boston marathon.
A roadside bomb in Afghanistan exploded under a bus on Monday, killing nine people and wounding at least 22 in an attack by suspected Taliban militants.
Gunmen in southeast Yemen have blown up an oil pipeline that transports some 8,000 barrels per day to export terminals on the Gulf of Aden, suspending operations.
An explosion thought to have been triggered by a gas leak leveled a bar in downtown Springfield, Massachusetts on Friday, moments after dancers were warned to flee.
A bomb exploded near a town square in southwestern Colombia packed with dozens of children celebrating Halloween, killing two suspects and injuring more than 30.
The death toll from a huge blaze at a fireworks factory in southern India rose to 38 on Thursday as police revealed that the plant's licence had been suspended only a day before the tragedy.
The death toll from a gas explosion at a coal mine in China has risen to 37, with another 10 people trapped, authorities said Friday, in one of the country's worst mining accidents of the last year.
A devastating fire at Venezuela's main oil refinery, which has already left 48 people dead, spread Monday to a third fuel storage tank, complicating the difficult task facing firefighters.
The devastating fire that followed an explosion at Venezuela's main oil refinery was still burning strong on Sunday, as President Hugo Chavez surveyed the carnage that killed 41 people.
Ordinarily peaceful Norway, known for tolerance and high living standards, was wrenched out of its serenity that Friday, July 22, 2011, when two deadly attacks from within plunged the nation into horror.