(a) Pursuant to the order of the court under this subchapter; or
(b) For a delinquent act pursuant to the laws of arrest; or
(c) By a law enforcement officer having reasonable grounds to believe that the child has run away from one of the following:
(1) a correctional facility,
(2) a residential, noncorrectional child-caring facility in which the child has been lawfully placed,
(3) his parent, guardian, or custodian, or other person responsible for his care.
(d) By a law enforcement officer having reasonable grounds to believe that the child is suffering from illness or injury or is in immediate physical danger from the child's surroundings, and that the child's immediate removal from such surroundings is necessary for the protection of the health and safety of such child; or
(e) By a law enforcement officer who has reasonable grounds to believe that the child has no parent, guardian, custodian or other suitable person willing and able to provide supervision and care of such child.