News sites here are reporting that one Korean man was wounded. Mr. Toh Shin-woo (도신우) was going to get something to eat when suddenly he heard a "boom." From Yonhap:
A South Korean man, formerly a popular fashion model, was wounded in an explosion at a hotel in Jakarta on Friday, Seoul's foreign ministry said, as Indonesian police said at least six people have been confirmed killed in the suspected terrorist bombings at the Ritz-Carlton and Marriott hotels.
"According to our local embassy, the man named "Toh Shin-woo" was wounded in the incident. He was taken to a nearby hospital. He seems to have suffered (only) a slight injury," a ministry official said. "But our embassy officials there are still trying to find out his exact health condition."
The 64-year-old Toh, head of Model Center International, was visiting Jakarta for a cultural event, according to the Seoul-based company which organizes fashion shows and trains models.
"Toh was staying at one of the two hotels at the time of the incident, but the name of the hotel has not been confirmed yet," the official said.