Eighteen people were injured in the blast, French media reported.
Central Park in Manhattan reached the lowest recorded Valentine's Day temperature ever.
A late-night fire and subsequent stampede at a club in Bucharest on Friday killed dozens and injured at least 180 people.
The blasts occurred at 17 different locations including shopping malls, a government building, a bus station, a hospital, and a prison, according to state media.
Netizens are less than happy about the fluffy test subjects, though, with one saying government officials should take their place.
Pictures shared online and by state media show a gigantic fireball and huge explosions rocking the northeastern city of Tianjin. Officials said at least 112 people had died, while more than 500 have been hospitalized.
Officials originally investigated the incident as suspicious, but now say they don't believe there is any threat to public safety.
Footage from the scene shows people scrambling to run away from the explosion in Kharkiv, Ukraine's second largest city.
The blast happened Saturday in Kunshan, Jiangsu, according to Chinese state media.
The eight people killed last week in an explosion that leveled two apartment buildings in East Harlem died from smoke inhalation, blunt trauma, or burns.
A series of large blasts struck a Blue Rhino propane plant in Lake Co., Florida, late Monday, causing multiple injuries and forcing evacuations throughout the area.
Up to 15 are dead and nearly 160 wounded in the wake of a massive fertilizer plant explosion.
Her death was confirmed this morning by her father and Chinese state media. Lu Lingzi was killed on Monday along with Martin Richard, 8, and Krystle Campbell, 29.
A leaking gas line exploded in Philadelphia this morning, killing one and injuring five, all of it caught on video. Horrifying and amazing at the same time.