New York City police are investigating after a giant banner featuring a picture of Russian President Vladimir Putin was hung from the Manhattan Bridge on Thursday.
The banner showed a picture of President Putin in front of a Russian flag with the word "Peacemaker".
Police were called at 2.45pm on Thursday and removed it around 30 minutes later.
Officers are studying CCTV footage of the bridge and nearby areas but are yet to arrest anyone.
Russian President Vladimir Putin has said he hopes the US will stick to its commitments over a ceasefire in Syria brokered by both countries.
Speaking to reporters in the Kyrgyz capital Bishkek, Mr Putin added that he believed a truce in that country's conflict was the common goal of both Moscow and Washington.
Under the terms of the deal, if it lasts for a week, Russia and America will co-ordinate attacks against some rebel groups including Islamic State and al-Qaeda's former Syria branch known as the Nusra Front.
Mr Putin also commented on the upcoming US presidential election, saying Moscow would support any person in any country who "is friendly to us".
The Republican presidential candidate was speaking at an NBC 'Commander-in-Chief' forum on Wednesday.Read the full story ›
Theresa May spoke to Russian president Vladimir Putin for the first time since she became Prime Minister.Read the full story ›
Russian President Vladimir Putin has suggested that David Cameron may have called a referendum on the European Union "to blackmail Europe" - but said the decision is "the business of the people of the UK".
President Putin added that while he had his own opinion on whether the UK should stay in the EU, he would refrain from expressing it.
I don't think this is very proper to engage Russia in all the problems, even if we are not involved in it, to make Russia a scarecrow. Civilised people do not do things this way.
As for the Prime Minister of the UK, there is a great problem with Brexit, why did he initiate this vote in the first place? Why did he do that? So he wanted to blackmail Europe or to scare someone, what was the goal if he was against?
I want to say it is none of our business, it is the business of the people of the UK. I have my own opinion on this matter, I cannot talk about the result yet - no one knows about the result yet, I think it is 50-50 with a certain margin of error.
The Russian president singled out controversial EU fishing laws as what he perceived to be a particular bone of contention for some Britons.
Politicians including Foreign Secretary Philip Hammond - who is campaigning to remain - have speculated that President Putin would relish a Brexit as a way of weakening the EU and allowing Russia greater scope to reassert itself.
Families of victims of doomed Malaysian Airlines Flight MH17, shot down over Ukraine in 2014, have sued Russia and President Vladimir Putin.Read the full story ›
The prime minister did not let scaremongering allegations stop him from making the fresh warnings.Read the full story ›
At least 20,000 people joined the rally to mark a year since the murder of Nemtsov, who was gunned down on a bridge overlooking the Kermlin.Read the full story ›
Vladimir Putin has defended suspended Fifa president Sepp Blatter, saying the Swiss should win the Nobel Peace Prize.Read the full story ›
An artist has created a life-size chocolate sculpture of Russian President Vladimir Putin for St. Petersburg's Festival of Chocolate fair.Read the full story ›