Section 100
Anti-terrorism crime and security act 2001.
Section 31
Railways and transport safety act
Sec 29 PACE
Voluntary attendance
Sec 24 PACE
Power of arrest without warrant - constables.
Sec 24(a) PACE
Other persons powers of arrest
Sec 24(5) PACE
Necessary
Sec 30 PACE
De-arrest
Sec 32 PACE
Search upon arrest
Sec 117 PACE
Reasonable force
Sec 54 PACE
Search in custody