"I'm worried about our fellow Koreans studying abroad. What if Americans start boycotting Korean made products?"
Some were also concerned that the U.S. embassy may not give out student visas because of this.
South Korean television news (YTN and MBC) also mentioned "the fact that Cho is a Korean should not be overplayed by the media. He's been living in the States starting in 1992. This was a personal matter. It should not involve the Koreans as a whole."
Cho Byung-je the Foreign Ministry spokesman said, "We here in Korea also were very much shocked at the horrific incident and we Korean people and the Korean government would like to express our heartfelt condolences to the victims and bereaved families of the American people.
President Roh Moo-Hyun is likely to make an announcement of condolence in the morning.
Joohee Cho, Fabiola Antezana, Phoebe Natanson, Anne Wise, Christophe Schpoliansky, Christel Kucharz, Mark Litke, Noriko Namiki, Ammu Kannampilly, Jean Fievet, Zoe Magee, Linda Albin, Alexander Nadezhdina, Tomek Rolski, Wilf Dinnick, Bruno Nota, Afshin Abtahi all contributed to this report.