According to Lianhe Zaobao reported that the following is a hostage crisis in Moscow incident.

据联合早报报道，以下是莫斯科发生人质危机事件的始末。

youdao

He also covered the Moscow theatre hostage crisis in October 2002, in which nearly 800 people were held captive by Chechen rebels.

CNN: CNN Profiles - Matthew Chance - Senior International Correspondent

Putin's first major crisis came in October 2002, when Chechen rebels took about 800 people hostage in a Moscow theater.

NPR: Putin's Party Cracks Down Despite Expected Victory