Anti-apartheid hero Nelson Mandela left hospital today after 'successful' medical tests and returned to his home in Johannesburg. The 94-year-old former president and anti-apartheid leader was admitted to a hospital in Pretoria, the capital, yesterday, to undergo tests 'in line with his age.' 'The doctors have completed the tests,' presidential spokesman Mac Maharaj said in a statement. 'He is well and as before, his health remains under the management of the medical team.' Maharaj appealed to the public and media to respect the privacy of Mandela and his family. The African National Congress, South Africa's ruling party, had earlier released a statement saying it believed Mandela was in 'capable and competent hands'. Routine: Nelson Mandela was admitted to hospital in Pretoria for routine tests and there was said to be 'no cause for concern' Mr Mandela was hospitalised at the end of last year and he was airlifted on Decemb