Arrest refers to a coercive method used by public security organs, people's procuratorates and people's courts to prevent defendants from evading or obstructing investigations and trials, or continuing to endanger society, and depriving them of their personal freedom in accordance with the law.
According to the above definition, which of the following is an arrest?
The criminal Tian Mou stole 150,000 yuan of property, and in order to avoid the pursuit, he also injured a public security officer. After the public security organ caught him, he asked the People's Procuratorate for approval and sent him to a detention center.