A suspected explosion injures 19 people in the centre of Linkoping, a town in southern Sweden.
Some 100 students are reportedly showing symptoms of inhaling chemical vapours.
The Libyan National Army force loyal to commander Khalifa Haftar started an offensive two weeks ago.
Petronas says the explosion occurred at about 1.25am while police confirm two people were injured.
Three people were hurt in the attack.
Thursday's explosion in the eastern city of Yancheng injured hundreds and flattened an industrial park.
Around the time of the explosion, China's earthquake administration reported a 2.2-magnitude tremor in a city near the Yancheng blast.
Egyptians have long complained that successive governments have failed to enforce basic safety standards for the railways.
Police officials say a loud noise was heard and thick grey smoke was seen immediately after.
Authorities say nearly 4 hours elapsed between the moment the leak was detected and the moment the pipeline was turned off.
The Kerch Strait between Russian-annexed Crimea and southern Russia controls access from the Black Sea to the Azov Sea, where there are both Russian and Ukrainian ports.
Taliban insurgents who claimed responsibility for the attack said they have killed 190 people in the complex attack.
Family members of the victims have called on the govt to continue looking for remains and to bring back forensic experts for that purpose.
Hidalgo Governor Omar Fayad says 73 people were killed and 74 people injured in the explosion
Two firefighters and a Spanish tourist were also killed in the massive blast that gutted part of a building.
Two firefighters had died and 10 people, including one firefighter, had serious injuries.
The mother of the boy named as Vanya, short for Ivan, also survived the blast.
11 other tourists from Vietnam and an Egyptian bus driver were wounded when the homemade device exploded.
Many social media users posted videos and photos of the night sky over New York City illuminated by a bright light.
The incident happened at the Beijing Jiaotong University in the western part of the city.
Flames and dark smoke billow into the night sky and people scramble to safety beside a street strewn with debris and shattered glass.
Seven were also left critically injured following the gas explosion.
China has also also experienced its share of horrific road crashes, with traffic regulations often flouted or unenforced.
Millions of fireworks will be set off during the Hindu festival of Diwali next month and shops are stocking up on supplies.