Barcelona terror: NSW woman in serious condition after attack on Las Ramblas

Four Australians have been left injured, with a New South Wales woman in a serious but stable condition, after a white hire van ploughed through pedestrians at an iconic Barcelona tourist destination.

Foreign Minister Julie Bishop told reportersthat eight Australians had been affected in the sickening rampage that has so far claimed 16 lives.

Ms Bishop said three required consular support and one Australian was unaccounted for.

"Of the four injured that includes one woman, who is from New South Wales in a stable condition but was seriously injured," she said.

"A second woman, also from New South Wales, is in a serious condiiton in hospital. She was travelling on a British passport."

Ms Bishop said two young Victorian men were also among the 100 plus injured.

"Two young Australian men have advised us that they were directly affected, they have gone back to their hotel and will seek medical treatment in the morning," she said.

"I ask all-Australian's in the vicinity to contact local authorities to let them know of their whereabouts."

Ms Bishop said she had been in touch with the Spanish ambassador to Australia and "conveyed to him the condolences of the Australian government and the Australian people".

More to come.

If you are concerned about family or friends that are in Barcelona at a moment please call the Department of Foreign Affairs on 1300 555 135.