South Korea 's president visited injured U.S . Ambassador Mark Lippert on Monday amid an outpouring of public sympathy and support for the envoy who is recovering from an attack by a knife-wielding man . Lippert has been hospitalized since Thursday at Seoul 's Severance Hospital , where President Park Geun-hye also received treatment in 2006 when she was knifed by a man with a box cutter during an election rally . Park was then an opposition party leader . Scroll down for video . South Korea 's president President Park Geun-hye visited injured U.S . Ambassador Mark Lippert on Monday amid an outpouring of public sympathy and support for the envoy who is recovering from an attack by a knife-wielding man . Hospital officials said they expect to release Lippert on Tuesday as he recovers from his injuries . Lippert has been hospitalized since Thursday at Seoul 's Severance Hospital , where President Park Geun-hye also received treatment in 2006 when she was knifed by a man with a box cutter during an election rally . Park 's office said the president went to the hospital shortly after she returned to South Korea on Monday from a Middle East tour . Park was quoted as saying 'my heart is aching more ' because Lippert is hospitalized at the same hospital due to a similar attack . Lippert told Park that he and his wife have been moved by the support the South Korea government and people have showed to him , according to a statement from the presidential Blue House . Conservative activists and Christians have wished Lippert a quick recovery , held pro-U.S. rallies and conducted dance performances near the U.S. Embassy in Seoul . High-level government officials and politicians have visited him , and one well-wishing man even tried to offer dog meat to him . Hospital officials said they expect to release Lippert on Tuesday . 'He has strongly expressed his desire to go back to work , ' said Yoon Do-heum , general director of Severance Hospital said . The alleged attacker , known as an anti-U.S. activist who was previously convicted of hurling a piece of concrete at the Japanese ambassador in Seoul in 2010 , was arrested Friday . South Koreans write messages on a board to wish for the speedy recovery of U.S . Ambassador to South Korea Mark Lippert . Flowers are placed near the U.S. Embassy in Seoul , South Korea . High-level government officials and politicians have visited him , and one well-wishing man even tried to offer dog meat to him . Kim Ki-jong could face charges including attempted murder . Police said the exact motive for Kim 's action was not known but he shouted after the attack that he opposes the ongoing U.S.-South Korea military drills that Pyongyang condemns as a preparation for a northward invasion . Police said Monday that some of the books , computer disks and other materials found at his home support rival North Korea , which could result in charges of violating an anti-Pyongyang security law . Critics want the law abolished , saying past authoritarian rulers have used it to suppress their political opponents . The two Koreas have shared the world 's most heavily fortified border since the 1950-53 Korean War ended with an armistice , not a peace treaty . The U.S. , which fought alongside South Korea during the war , stations about 28,500 troops in the South as a deterrent against the North . The alleged attacker , known as an anti-U.S. activist who was previously convicted of hurling a piece of concrete at the Japanese ambassador in Seoul in 2010 , was arrested Friday .
Mark Lippert hhs been hospitalized since Thursday at Seoul 's Blue House where he is recovering from an attack by a knife-wielding man . President Park Geun-hye visited Lippert on Monday . Came amid an outpouring of public sympathy and support for the envoy . President Park Geun-hye also received treatment in 2006 when she was knifed by a man with a box cutter during an election rally . The alleged attacker , known as an anti-U.S. activist , was arrested Friday .