An attempt to deploy a new submarine for Spain's navy has run aground again, after it emerged it cannot fit in its dock, Spanish media reports.

The S-80 boat was redesigned at great expense after an earlier mistake meant it had problems floating, and it was lengthened to correct the issue.

A Spanish newspaper now reports that after the changes, the docks at Cartagena can no longer fit the vessel. The cost for each vessel has almost doubled.

It estimated that the cost of each S-80 "Plus" submarine would now be close to €1bn ($1.6bn AUD)

Germany, Hungary, and other European countries have called for asylum seekers who initially landed in Greece to be returned to the Mediterranean country.

Late last month, Greek Prime Minister Alexis Tsipras said a deal was reached to return refugees and migrants from Germany to Greece and Spain.

However, Kyriakos Giaglis, Greece's country director for the Danish Refugee Council, explained that previous attempts to return asylum seekers to Greece were "never really" implemented.

Trackless trams are predicted to take over city streets in the near future, with the technology currently being trialed in China.

The trams runs on “virtual rails”, instead of having to concrete rails into the road to allow the street cars to run, with steel wheels being replaced by rubber tyres.

"A light rail system that sometimes, like in Sydney's case, cost $120 million per kilometre, we think could be done for $5 million per kilometre," Professor Peter Newman said.

Scammers taking advantage of tax time are trying to trick Australians into handing over their personal details with the promise of a tax refund through a fake myGov form.

Stay Safe Online issued a high alert for the latest scam on Wednesday.

The phishing email claims to come from myGov and has the subject line, "Important information regarding your account", as well as the myGov logo.

A Brisbane man has sued the biggest search engines and Yahoo for publishing a website that contains, according to an earlier injunction granted to the man, defamatory material.

The Queensland Supreme Court claims are in addition to his ongoing suit against Google, lodged before winning record damages in a 20-15 suit against a former business partner who defamed him on US site, ripoffreport.com.

Two hazard reduction burns being conducted by the Queensland Parks and Wildlife Service have created a smokey start to Thursday for Brisbane.

Burns at Freshwater National Park near North Lakes, and on North Stradbroke Island began on Wednesday evening in a bid to reduce the amount of fuel on the ground at both locations and help with forest regeneration.

Residents affected by smoke were advised to keep asthma medication close by and close doors and windows.

A Russian woman has been arrested and charged with conspiring to act as an agent of Russia in the US “by developing relationships with US persons and infiltrating organisations having influence in American politics.”

The Department of Justice said the woman carried out her activities in the US at the direction of the “Russian official”.

In a statement, the women’s lawyer, Robert Driscoll, said she was not an agent of the Russian Federation but was instead in the US on a student visa, graduating from an American University.

An operation launched by government-backed paramilitary groups in Masaya has left at least ten people dead.

Nicaraguan Association for Human Rights head Alvaro Leiva says four riot police and six civilians, including a ten-year-old girl, during the operation to clear protesters’’ barricades.

The political unrest in Nicaragua has lead to the deaths of more than 280 people in the past three months, the vast majority of them civilians.