An Indian artist said on Monday he had been beaten up at his gallery by five men over nude paintings of actresses and models that the attackers claimed were an insult to the country.

Pranava Prakash was assaulted by the gang who burst into the gallery in Noida on the outskirts of New Delhi, where he is exhibiting nudes of top Bollywood star Vidya Balan and other public figures.

A 1913 painting by Nazi Germany's dictator Adolf Hitler sold for 32,000 euros ($42,300) in a Slovak internet auction on Sunday, the Darte auction house said.

The starting price for the painting titled Maritime Nocturno was set at 10,000 euros, while an expert put its value at 25,000 euros, said Darte, which sold the painting in a closed VIP auction.

Three letters by Albert Einstein to a American-German group which campaigned against the Nazis in Germany in the 1930s will go on the auction block in Los Angeles next week.

In one, the father of relativity praises the "Friends of Truth," a Cincinnati-based German-American group, for not allowing Jews to join it because it would weaken their anti-Nazi message.

The Art Institute of Chicago has won a major grant from the government of India in honor of a landmark 1893 speech there by a monk, Swami Vivekananda, who introduced Hinduism to the United States.

The $500,000 grant will be signed over Saturday at the opening of a major exhibit of the paintings and drawings of Rabindranath Tagore, an Indian poet, playwright, musician, and philosopher who was the first non-European recipient of a Nobel Prize for literature in 1913.

Nazi death camp survivors marked Holocaust Remembrance Day in Poland on Friday, while in Austria guests at a far-right ball were accused of "dancing on Auschwitz graves".

In the United States, President Barack Obama and his possible opponent in the November vote Mitt Romney remembered the victims, while Norway and Romania acknowledged their roles in the World War II horror.

An important work by Spanish modernist painter Joan Miro is expected to fetch upwards of 10 million pounds at an auction of impressionist and modernist master pieces in London next month.

The 1933 oil painting, which is called "Peinture" and depicts abstract facial features, is being sold by a Swiss private collector and has not been displayed publicly for several years.

An epic French documentary about the mass murder of Jews under the German Nazi regime has appeared on Turkish television to mark international Holocaust Remembrance Day — the first time the film has been aired on public television in a majority-Muslim country.

State television TRT's documentary channel showed the first episode of filmmaker Claude Lanzmann's "Shoah" late Thursday — the eve of the day of remembrance of the victims of the Holocaust.

A painting by Adolf Hitler, done before he became Nazi Germany's dictator, has been put up for sale by a Slovak auctioning house, its head told Agence France Presse.

"The opening bid for the painting titled Maritime Nocturno is 10,000 euros (13,000 dollars) in a closed VIP auction that currently features four participants," said owner of the Darte auctioning house Jaroslav Krajnak.

The British Museum in London opens its doors on Thursday to the first major exhibition in the world on Hajj, the Islamic pilgrimage to the heart of Islam.

Using priceless artifacts, video footage, personal audio recordings and photographs, the show explores the history, journeys and experiences of pilgrims who travel from around the world to reach the holy city of Mecca.

The first works by Van Gogh and Picasso to be auctioned by an Indian gallery are on display at a luxury hotel in New Delhi, a sign that dealers in Western art are now chasing local money.

The 1885 Van Gogh landscape "L'Alee aux deux promeneurs" and the 1953 Picasso oil "Le Transformateur" are being previewed ahead of a sale next month when 73 lots by top Impressionist and modern artists will go under the hammer.