Any citizen may arrest a person who is committed a serious offence, though members of the police force has wider power, in particular the power to arrest persons on suspicion of a serious crime or in cases where an arrest warrant have been granted.任何一个公民都可将正在犯严重罪行的人逮捕。然而警察却有更广泛的权力，特别是逮捕怀疑他犯了重罪人的权力，或在被给予逮捕令的情况下这样做。
