Some unbelievable stuff now coming out about the co-pilot. The Germanwings co-pilot who crashed his plane into a mountain killing himself and 149 people on board was receiving psychiatric counselling right up until the time of the crash, it emerged today. Andreas Lubitz locked the pilot out the of the Airbus A320's cockpit before setting the plane's controls to descend into a rocky valley, French prosecutors revealed yesterday. As well as having been signed off from training with depression in 2008, it was reported this morning that Lubitz had continued to receive mental health support up until this week's crash. The 28-year-old was also in the middle of the 'relationship crisis' with his girlfriend in the weeks before the crash and may have been struggling to cope with a break-up, German newspaper Bild reported. It was claimed this morning that the couple may have previously been engaged to be married next year. New information about Lubitz's life emerged just hours after police investigating the disaster began a four-hour search of his flat, which he is said to have shared with a girlfriend. Officers found 'evidence of mental illness' but no suicide note, Der Spiegel reported. Yesterday, the boss of Germanwings admitted Lubitz had slipped through the ‘safety net’ and should never have been flying. It was also revealed that the fitness fanatic had suffered from depression and ‘burnout’ which had held up his career. He reportedly received a year and half of psychiatric treatment and was at one point recommended to be examined by a doctor before flying. But, incredibly, he passed his psychological assessments and was later considered fit to fly. Germany’s Federal Aviation Office confirmed this morning that Lubitz had a medical condition noted in his pilot’s records which required him to have a regular examination. It was reported this morning that during his education at the Lufthansa Flight School in Phoenix, Arizona, he was listed temporarily as 'unfliable'. It was suggested today that Lubitz - who had worked for Lufthansa as a cabin attendant for nearly a year before being accepted for flight training - may have been teased by other pilot's over his previous role. A friend said: 'His nickname was "Tomato Andy" - a reference to his past employment as a flight steward. Another told Bild: 'He always had high ambitions but was considered to be second-league because he had been a flight attendant. He always wanted to fly long distance, above all to San Francisco. But he was always put off. Only later was he eventually allowed to fly European routes.' Prosecutors yesterday revealed chilling recordings from the doomed aircraft showing that piano teacher’s son Lubitz locked his captain out of the cockpit so he could crash the plane into an alpine ravine. In audio files extracted from the plane's cockpit voice recorder - discovered on Wednesday at the remote crash site - the captain was heard growing increasingly distressed as he tried to force his way back into the flight deck. Reports in Germany this morning suggest the locked-out pilot may have resorted to using an axe in a desperate bid to get through the armoured door as the plane hurtled towards the ground. Prosecutors said the screams of passengers aware of their fate could be heard in the final seconds. In a blunt admission, Carsten Spohr, the head of Lufthansa which owns the budget airline, admitted Lubitz had slipped through the safety net with devastating consequences. ‘The pilot had passed all his tests, all his medical exams,’ he said. ‘He was 100 per cent fit to fly without any restrictions. 'We have at Lufthansa, a reporting system where crew can report – without being punished – their own problems, or they can report about the problems of others without any kind of punishment. 'All the safety nets we are all so proud of here have not worked in this case.’ Yesterday, as repercussions of Tuesday’s tragedy sent shockwaves through the airline industry: Airlines across Europe reviewed safety rules and insisted that no pilot should be left alone in the cockpit; Police urgently probed the background of Lubitz amid rumours that his personal life was seriously troubled; Detectives have carried out a four-hour search of his flat, but are not thought to have found a suicide note. Last night police raided Lubitz’s family home in a small town north of Frankfurt and an apartment in Dusseldorf, taking away a computer, laptop and other files. Lubitz is understood to have split his time between the two addresses. Following last night's search of his flat, a police spokesman said: ‘We have discovered a number of things at his apartment which we will now examine and carry tests on to see if they are significant. 'We do not yet know of what significance they are,' said the spokesman, adding: 'No crucial piece of evidence has been found yet.' Airline chiefs confirmed Lubitz, who won an award for ‘outstanding’ aviation skills and dubbed himself ‘Flying Andy’, took several months off work in 2008 and had to retrain to join Germanwings. They are said to have been ‘stunned’ by the revelation that Lubitz waited for his captain to visit the toilet – and then locked him out The picture of Lubitz which is emerging from his home town and Dusseldorf is of a man who, since he was boy, was determined to become an airline pilot - but who was repeatedly held back by mental health problems. A friend told Passauer Neue Presse: 'He wanted to become a pilot but he is mentally unstable.'