A university in the French city of Lyon was evacuated on Thursday morning when a large fire broke out on the roof after a reported gas bottle explosion, leaving three people with minor injuries.

Claude Bernard Lyon 1 University confirmed the incident on Twitter shortly after 9.30 a.m., advising people to stay 100 metres away from the building.

It said explosions were the result of building work, and that three people suffered minor injuries.

Shortly after 10 a.m., the university said the fire was "under control" and that some departments had been re-opened.

Police and university sources said the fire was started by a gas bottle explosion.

Footage of the incident shared on social media showed the extent of the blaze.</s>Video footage captured the moment an explosion took place on the top of a university in the French city of Lyon.

Police say the accident was caused by a gas bottle that exploded, causing a fire.</s>Several gas explosions rocked a university science library in eastern France as a massive construction fire broke out on its roof. Three people received minor injuries and students and staff were evacuated from campus buildings.A large fire broke out on Thursday morning at one of the Claude Bernard University Lyon 1 campuses in Villeurbanne, a suburb of Lyon in eastern France. Video from the scene showsThe fire erupted on the roof terrace when the building, which hosts the university's science library,, the university tweeted Local media says the blasts came from three gas tanks which exploded as the fire began to spread.Police and firefighters have been deployed to the scene. Staff and students were evacuated from nearby buildings.</s>Three people were slightly injured following an explosion and subsequent fire on the roof of a university building in southeastern France on Thursday, regional authorities said.

The prefect of the Auvergne-Rhône-Alpes region said an accidental fire broke out on the roof of a laboratory belonging to Claude Bernard University Lyon 1 during sealing work.

"Detonations were heard due to the presence of three gas canisters," the prefect said in a tweet. "Three lightly injured."

The university said in a statement the fire broke out at 9.30 am local time at the Mendel building at the LyonTech La Doua campus during renovation work on the structure.

"The fire is currently under control," the statement said.

A photograph released via epa showed firefighters and trucks at the scene of the accident.</s>Several gas explosions rocked a university science library in eastern France as a massive construction fire broke out on its roof. Three people received minor injuries and students and staff were evacuated from campus buildings.

A large fire broke out on Thursday morning at one of the Claude Bernard University Lyon 1 campuses in Villeurbanne, a suburb of Lyon in eastern France. Video from the scene shows the building’s roof engulfed in flames. Several explosions can be seen bursting through the fire.

The fire erupted on the roof terrace when the building, which hosts the university’s science library, was undergoing construction work, the university tweeted.

Three people received light injuries and the fire “is under control,” the university added.

The blasts came from three gas tanks which exploded as the fire began to spread. There is no doubt that the fire was “accidental,” local officials said.

Police and firefighters have been deployed to the scene. Staff and students were evacuated from nearby buildings.

Think your friends would be interested? Share this story!</s>French authorities say a strong explosion and fire has hit a science building at the University of Lyon. At least three people have been slightly injured.

The university says construction work was the cause and that it was "accidental."

The town of Villeurbanne, the Lyon suburb where the university is located, tweeted that the area has been evacuated after Thursday's blast. It said the explosion hit the roof of the building.

An official with the Lyon region emergency service said firefighters are on the scene.

The explosion hit days after a blast apparently caused by a gas leak hit a Paris bakery, killing four people and injuring several.</s>Several suspected gas explosions caused a fire to break out in France this morning.

Video from the scene shows several explosions at the Claude Bernard University in Lyon.

The fire on the roof terrace of the Mendel Building led to the university evacuating students, mainly from the science library.

The university tweeted to confirm three people received minor injuries and the fire is now "under control".

Emergency services will remain on the scene for the day.

The university added there were "no chemical safety problems".</s>Officers said this appears to be an accidental shooting and there were several people inside the house "goofing around with a gun" when it went off. Investigators emphasized this gunshot was not self inflicted.</s>We know what you’re thinking: we've got a tough job sometimes. Today it's testing out an iPhone case that's also a bottle opener, just for you dear reader.

If, like us, you're one of those people that is always having to open your suds on a radiator, or use that trick with another bottle, then this is probably going to be the iPhone case for you. Why? Because it features a stainless steel bottle opener on the back.

In what has to be a party animal’s dream accessory for the iPhone, the Be A HeadCase.com Bottle Opener Phone Case will work with the iPhone 3G, iPhone 3GS, and the newer iPhone 4.

But the case - that’s been specially designed to not exert pressure on your phone inside - also comes with a free app that when you open a bottle or can, plays your favourite song or sound and displays a picture.

The company behind the case is even talking about adding a feature that will ping Facebook to show that you’ve opened another beer, they told Pocket-lint.

How does it all work? By using the device's in-built gryoscope to work out that you’ve opened a bottle.

The case is available in the US for around $19.99, while it is on sale in the UK via our friends at Firebox.</s>A university campus library in Lyon caught fire on Thursday; the blaze was followed by an explosion, according to witnesses. A huge cloud of smoke filled the university library building. According to the local authorities, the explosion was of "accidental origin".

The roof of the university science library in Lyon was rocked by a powerful explosion Thursday, shortly after 9am local time.

People have been advised to avoid the area.

According to the university's official Twitter account, three people sustained minor injuries and the fire is under control.

Restoration work had been ongoing on the roof and a gas bottle explosion is believed to be what started the fire, according to police.

Firefighters arrived at the scene to tackle the blaze, and the plumes of black smoke rising from the fire can be seen from almost anywhere in Lyon.
In France, a fire at the University Lyon 1 injures three people. Investigators say that it is a result of an accidental gas bottle explosion.