1 / 10A Catholic school teacher in Colombia was left red-faced after forgetting to turn off a Zoom call with his class of teenage students before snuggling up to his wife's breasts.2 / 10Ruben Dario Parras didn't realise he was being filmed as he lifted up his wife's blouse.3 / 10The physics tutor then appeared to kiss her left breast as the moment was broadcast to everyone on the call. 4 / 10He was forced to apologise after inadvertently sharing the moment with the class of 16 and 17-year-old pupils.5 / 10One of the students at the Educación Educativa San Vicente de Paul Catholic school, in Palmira, Colombia, can be heard sniggering as she watches.6 / 10She then says 'Oh my God' and cringes as her teacher canoodles with his wife. Shamefaced Mr Parras made an embarrassing video apology after the blunder.7 / 10He said: 'Some images were recorded while my wife came in to greet me that have gone viral on the web. 8 / 10'Of course it was a mistake of mine, as I didn't realise the camera was still switched on at the end of class.'At no moment did I do this deliberately. It was accidental.'I want to apologise for causing offence.' 9 / 10Headteacher Patricia Duran Cespedes has launched an investigation into the incident. She said: 'This was a serious matter in which the teacher in charge of the class performed an inappropriate act which was recorded by some students.10 / 10One viewer - called Lapaty - joked: 'It looks like his wife isn't enjoying the breast sucking very much. Poor bloke, now all the world knows his wife is barely interested.'Pipe Dorado added: 'I feel sad looking at his wife's face. There's no feeling at all in her body. Or does the prof need a lesson in breast sucking?'But Fanny Cardona stuck up for him and said: 'People are human. They make mistakes. He forgot about the camera, but he's at home and he can do what he likes.'