Policing are responding to a shooting at the YouTube space in San Bruno.

Some employees were able to escape the building and an unknown number of victims have been taken to San Francisco General Hospital.

Twitter was used to by trapped YouTube employees to communicate with authorities, one staffer Tweeted, “First thought it was earthquake … [then] I looked down and saw blood drips on the floor and stairs.”

It has been reported by police the shooter was female and is now dead.

A french mayor has apologised for her April fools joke claiming Ikea was coming to town and bringing over 4,000 new jobs.

The town of 54,000 were not happy with the mayor taking to social media to express their anger towards the joke.

The mayor told French media she was sorry that “the sense of humour was not shared by everyone”.

An unauthorised climber on the Sydney Harbour Bridge has forced police to shut numerous lanes on the bridge, causing severe traffic delays in both directions.

A police spokeswoman says multiple reports were received around 4:30am this morning and negotiations with the man are ongoing.

The Traffic Management Centre have warned motorists saying, “It doesn’t look like it’s going to have a quick resolution … it’s basically going to throw peak into chaos for anyone coming into the Sydney CBD.”

Residents along the Queensland coastline are being warned of wild weather following Tropical Cyclone Iris.

The Whitsundays is most at risk, with the cyclone sitting around the region for the next couple of days until it eventually goes out to sea.

Premier Annastacia Palaszczuk says “no matter what community gets impacted, we are all here to help.”

Drug companies are being investigated after allegedly using the codeine crackdown as an opportunity to sell stronger painkillers to doctors.

The companies are sending targeted advertising to doctors for stronger pain medication in an effort to encourage them to sell their products.

The suggested new medications are twice as strong as the codeine painkiller Pandaeine Forte.

Australian farmers are expected to be benefited, following a discovery of heat-resistance crops from NASA.

This follows a 2013 discovery from NASA scientists of a new way to measure fluorescence in plants.

Australian scientists have continued this research in Narrabri, New South Wales and are now using state-of-the-art technology to further develop hardier crops.

Slum residents in Argentina have gotten their own TV news hour made by, and for, them.

The programme is an attempt to represent some of the 700,000 people living in slums in the Argentinian capital of Buenos Aires, many of who are Indigenous people.

The news program, titled Mundo Villa, is anchored by young hosts who aim to discuss everything from the presence of drug trafficking to slum town culture.