Three men suspected of gang-raping an elderly Indian nun at a convent have been pictured for the first time . The woman , who is in her 70s , was trying to prevent the men from robbing the Christian missionary school when she was attacked . CCTV has now been released showing the suspects leaving the staff room on Friday night . A reward of 100,000 rupees ( around £1,075 ) is on offer for any leads , police said . Five others have been detained for questioning about the attack at the Convent of Jesus and Mary School in West Bengal . Scroll down for video . Three men suspected of gang-raping an elderly Indian nun at the Convent of Jesus and Mary School in West Bengal have been pictured for the first time . Arnab Ghosh , a police superintendent , said : 'CCTV footage showed that six men , aged between 20 and 30 , scaled the boundary wall around 11.40pm and entered the school and disconnected the telephone lines . ' The robbers then tied up and gagged a security guard before entering the nuns ' room , where they found the women sleeping , police said . When the victim , who is the oldest nun at the school , tried to stop them taking another woman into a separate room they raped her . The men escaped with some cash , a mobile phone , a laptop computer and a camera . They also ransacked the school 's chapel and took holy items . Footage shows books and papers strewn across the floor as the men leave the staff room . The CCTV footage has been released showing the suspects leaving the school 's staff room around midnight on Friday . Five other men have been detained for questioning . The robbers tied up and gagged a security guard before entering the nuns ' room . Furious residents and students took to the streets after the attack to demand justice . Nuns gather in front of the convent . Archbishop Thomas D'Souza said the sisters prayed for the victim during Sunday Mass . Mr Ghosh added : 'At least two of them were armed and the rest were carrying burglary tools . In the chapel , a holy scripture was found torn and a bust of Jesus was broken . ' The nun is recovering in hospital in Ranaghat . Furious residents took to the streets yesterday , shouting slogans demanding action and blocking off the main highway . Mamata Banerjee , West Bengal Chief Minister , also tweeted her condemnation of what she called a 'horrific attack ' , promising 'swift , strong action ' . The nun is recovering in hospital in Ranaghat . Meanwhile hundreds of people blocked off the main highway holding signs and candles . Others sat on a patch of grass with a sign made from a broken stick , cardboard and paper . 'We want justice ' was written in red pencil . Teenagers and students lit dozens of white and yellow candles at the peaceful protest yesterday . The students from the convent , dressed in a smart red and white uniform , each held a white candle by hand . Archbishop Thomas D'Souza has appealed to people to maintain peace and harmony in the area . He said : 'In our Sunday Mass , we prayed for the sister to recover quickly from trauma , fear and her physical injuries . We will pray for her again this evening . 'They not only committed a heinous crime , but they also vandalized the chapel . This is the first time such an attack has happened in India . ' Five nuns wait outside the convent while police are on scene . The incident comes at a time of heightened sensitivity over women 's safety in India . Seven police officers stand guard at the convent while others comb the area for evidence and ensure the nuns are safe . The incident comes at a time of heightened sensitivity over women 's safety in India , which last week saw a documentary about the 2012 gang-rape of a student in Delhi being banned . Authorities said screening the documentary could have caused public disorder , but critics accused the government of being more concerned with the country 's reputation than the safety of its women . Shocking footage also emerged this week of an angry mob stripping and slowly beating a man to death in an Indian village after he was accused of raping and murdering an 11-year-old girl . The prolonged attack on the 18-year-old was watched by a jeering 1,000-strong crowd .
Nun was trying to prevent six men from robbing the Christian school . Gang claimed to have gagged security guard before violent rampage . video footage released shows suspects entering the school 's staff quarters . while others have been detained for questioning , police reported . Latest in a string of violent gang - rapes that has shocked the country .