How long does the detention last, and how long does the detention usually take

If you are not seriously injured by your friend, it is a minor injury, and if you are less than 6 months, it is not called criminal detention, but criminal detention.

You have to trust the public security organs, they will definitely find out the facts, it's just a matter of time, you don't have to worry too much about your friends, I have encountered this situation before, but you have to report the facts to the public security organs, otherwise they don't know, and you have to point out those people, you can interrogate.

It mainly depends on whether the circumstances are serious, and if it is not serious, public security detention is sufficient, and the maximum is not more than 20 days. If the damage caused to the other party is more than slightly injured, criminal responsibility must be investigated. Criminal detention is only a compulsory measure for the investigation of criminal cases.

The sentence is still determined according to the injuries caused to the other party: Article 234:Whoever intentionally injures the body of another person shall be sentenced to up to three years.

fixed-term imprisonment, criminal detention or controlled release.

Whoever commits the crime in the preceding paragraph and causes serious injury to another person shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years.

Punishment; Causing death or serious bodily injury by particularly cruel means, resulting in serious disability.

shall be sentenced to fixed-term imprisonment of not less than 10 years, life imprisonment or death. This Act is otherwise.

where provided, follow the provisions.

In addition, the current detention can be deducted from the sentence imposed at a later date.

According to the provisions of China's Criminal Procedure Law, the maximum period of criminal detention is 30 days, but there is also a seven-day period for the procuratorate to approve the arrest, so the maximum period is 37 days.

As for why only your friend was arrested and not the other party, the reason is that this case is an intentional injury case, and it will be handled according to the conclusion of the injury evaluation, that is to say, it may be that your friend's injuries are not minor enough to be more than minor injuries, and the other party's injuries are already more than minor injuries. For now, it is advisable to hire a lawyer immediately to apply for bail for your friend, and if the bail is successful, the court will generally give a suspended sentence at trial.

Since your explanation of the above questions is not very comprehensive, I can only go back to this. This is the case.

Legal Analysis: In general, the maximum period of detention for criminal proceedings is 14 days. Major suspects who have committed crimes on the go, who have committed crimes repeatedly, and who have committed crimes in a gang with Wang Pin's clan will be detained for a maximum period of 37 days.

Where the public security organs find that it is necessary to arrest a detained person, they shall request that the people's procuratorate review and approve it within three days of the detention. Under special circumstances, the time for submitting a request for review and approval may be extended by one day to four days.

Legal basis: Criminal Procedure Law of the People's Republic of China Article 86: Public security organs shall interrogate detained persons within 24 hours of detention. When it is found that detention should not be done, the person must be released immediately and a certificate of release must be issued.

Legal analysis: The maximum period of criminal detention is thirty-seven days. For blind criminal detention decided and carried out by the public security organs in accordance with the law, the duration of detention is the sum of the time that the public security organ submits to the people's procuratorate for approval of arrest and the time that the people's procuratorate examines and approves the arrest as stipulated by law.

Legal basis: Criminal Procedure Law of the People's Republic of China Article 91: Where a public security organ arrests a detained person if it believes that it is necessary to break the original lineage, it shall request that the people's procuratorate review and approve it within 3 days of the detention. Under special circumstances, the time for submitting a request for review and approval may be extended by one to four days.

For major suspects who have committed crimes on the go, committing crimes multiple times, or committing crimes in groups, the time period for submitting a request for review and approval may be extended to 30 days.

The people's procuratorate shall make a decision to approve or not to approve arrest within 7 days of receiving a written request for approval of arrest from the public security organs. Where the people's procuratorate does not approve the arrest, the public security organs shall release them immediately after receiving the notice, and promptly notify the people's procuratorate of the execution situation. Where it is necessary to continue the investigation and the requirements for release on guarantee pending further investigation or residential surveillance are met, they are to be released on guarantee pending further investigation or placed under residential surveillance in accordance with law.