(a) The accused assaulted, resisted, obstructed, hindered, or delayed the police or incited or encouraged another person to assault, resist, obstruct, hinder, or delay the police.
(b) The person assaulted etc was a member of the police force in the execution of his or her duty, a person lawfully assisting the police member in the execution of his duty under the Summary Offences Act or any member of staff of the local authority in the execution of his duty under the Summary Offences Act.
(b) Factual dispute.
(c) Identification dispute.
(d) Lack of intent.
(e) Mental impairment.
(h) The officer was not acting in the execution of his/her duty.