Any law enforcement officer of this state in fresh pursuit of a person who has committed a misdemeanor in the presence of the law enforcement officer shall have authority to arrest and hold in custody such person anywhere in this state. This section shall not make unlawful an arrest which would otherwise be lawful. The term “fresh pursuit” as used in this section shall include fresh pursuit of a person who has committed a misdemeanor in the presence of a law enforcement officer, and the law enforcement officer is in instant pursuit.