PRESIDENT Muhammadu Buhari who on Monday notified the leadership of the National Assembly that he has resumed to work after his medical vacation in London, United Kingdom, may work from his house, the presidency said.President Buhari left the shores of Nigeria ion 7th May for a medical treatment in London after formally informing the National Assembly of his vacation and that the Vice President, Prof. Yemi Osinbajo would function as the Acting President pending when he will return to the country. The President came back to the country on Saturday evening after spending about 104 days in London and addressed the nation on Monday morning where he spoke on many issues including the unity of the country, security challenges as a result of Boko Haram insurgents and economic security of the country. Buhari, according to his media aide has written the leadership of the National Assembly that he was back to office.