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Occupy Wall Street protesters are bracing themselves for snow over the weekend, with warnings that New York could see an early snow shower.

"Everything's gone into overdrive right now to make sure everyone's got what they need," said Ed Needham, who acts as a media liaison at Occupy Wall Street.

"I wouldn't actually be surprised if we don't see any people go away. People are looking at this as an opportunity to show how committed they are.

"It may be a cold night in the park but people are looking at this as a challenge, and it's one that we knew that was coming, so we're not unprepared for it."

Needham said Occupy Wall Street may not need to dip into its funds to purchase warmer equipment.

"We've had a lot of donations in the form of blankets, long underwear and woollen clothing. Our comfort station is going full force right now."

Occupy Wall Street will march through Jamaica, Queens, on Saturday to draw attention to "the homelessness forced upon innocent Americans through criminal foreclosure practices".

At 10:00am we will gather at Liberty Square and march to the J train, which we will take to Jamaica, Queens, the foreclosure capital of New York. Metro fare will be provided for those who need it. On the subway we will hold democratic forums on the intolerable hardships Americans have been suffering because of bank foreclosures. "According to the Mortgage Bankers Association and the FDIC, one child in every classroom in America is losing their home because banks are foreclosing on their parents. In Queens, the reality is even worse," said Michael Premo, a volunteer who is helping with Saturday's event. At noon, we will gather in Jamaica Center and march through the neighborhood, winding through foreclosed homes. As we pass by foreclosed homes we will visually reclaim them with banners and signs in windows and yards, and by tracing a map of the foreclosed homes of Jamaica, Queens using our bodies. "There are five thousand homes in Queens that are being foreclosed upon. This is a pandemic. Jamaica is ground zero for foreclosures in New York," said Patrick Bruener, a volunteer with Occupy Wall Street.

Here's a summary of today's news so far:

• Scott Olsen has regained consciousness but "cannot talk". A spokesman from Highland hospital told the Guardian Olsen "understands everything" but is having to communicate through written messages.

• Keith Shannon, Olsen's roommate, said doctors are expecting Olsen will regain his speech. "The fracture is right on the speech center of his brain," said Shannon. "However, [the medical team] are expecting he will get that back."

• Elsewhere, Occupy Wall Street have had their power source seized. The fire department confiscated six generators and about a dozen cans of fuel this morning, however protesters say they have already had offers to replace them.

• Occupy protesters outside St Paul's cathedral in London are facing eviction. Church and local government authorities are going to court to evict the demonstration. Senior clergyman Giles Fraser resigned on Thursday, saying he feared moves to evict the camp could end in violence.

Olsen was "really happy" to see his family yesterday, his roommate Keith Shannon has told the Guardian.

Shannon said he would be visiting Olsen this afternoon.

A spokesman for Highland hospital has confirmed Olsen is unable to talk.

The spokesman said Olsen "understands everything" doctors and family are saying, and is communicating through written messages.

The spokesman said Olsen remained under observation to determine if he needs surgery. His condition is "fair".

Scott Olsen "cannot talk" after being hit in the head by a police projectile, according to his friend Keith Shannon.

Olsen woke up yesterday afternoon, having previously been sedated.

"He cannot talk right now, and that is because the fracture is right on the speech center of his brain," Shannon said. "However, they are expecting he will get that back."

Shannon said that the 24-year-old Iraq war veteran is able to communicate by writing notes, but added that "his spelling is not near what it used to be".

"The doctors expect that he will have a full recovery," Shannon said. "However, it is going to be a long road ahead for him."

News from elsewhere in the Occupy movement – Occupy Wall Street were "stripped" of their power source early this morning, according to a report in the New York Daily News.

Dozens of firefighters and police officers entered Zuccotti Park Friday morning to confiscate generators and gas canisters. Fire trucks and police vans pulled up on the corner of Broadway and Liberty St. at about 8.30 am and asked the Occupy Wall Street protesters to bring the items to them, saying they were a health and fire hazard. "They made an announcement on a bullhorn saying: 'We are here to take the generators, could you please bring them up to us on the corner of Broadway and Liberty Street'," said James Bennett, a member of the information working group. When no one from Occupy Wall Street surrendered the generators, more than 20 uniformed FDNY and NYPD officials entered the park to seize them, witnesses said. The protesters say five generators were seized in total, including one which was biodiesel and ran on used vegetable oil. Several canisters were also taken, some empty, some with vegetable oil and one with gasoline, Occupy Wall Street say. No arrests were made and the incident was peaceful, the city said.

Good morning, welcome to the Guardian's live coverage of the Occupy movement.

Occupy demonstrators held vigils for Scott Olsen on Thursday night. The 24-year-old Iraq War veteran was seriously injured during a protest clash with Oakland police, as some occupy encampments came under growing pressure from authorities to abandon sites in parks and plazas.

Olsen is due to undergo surgery to alleviate pressure on the brain, but is lucid, awake and responding to questions, according to his aunt.

AP reported that a crowd of at least 1,000 people, many holding candles, gathered Thursday night in Oakland in honor of Scott Olsen, who is hospitalised with a fractured skull. In Nashville, police cracked down overnight on an Occupy protest camp near the Capitol under a new policy setting a curfew for the complex. They moved in a little after 3 am and arrested about 30; they later were released. About 20 protesters who stayed on a nearby sidewalk were not arrested and were still there later in the morning as state troopers stood guard at the steps to the Capitol. In Britain, meanwhile, church and local government officials in London said Friday they would go to court to evict anti-capitalist protesters camped outside St. Paul's Cathedral, as the iconic place of worship reopened after a weeklong closure.

Follow live updates as Oakland police are expected to make a statement on this week's clashes. If you would like to share footage or your story with the Guardian, tweet me @AdamGabbatt, comment below or email.