National Security Council 19 (b) to control or prohibit the use of any road or water-way in, or air space above, any security area by any person or any vehicle, vessel, aircraft or conveyance; or (c) to close any road or water-way in the security area. (2) If a member of the Security Forces in the security area believes on reasonable grounds that a dangerous thing is in or on any vehicle, vessel, aircraft or conveyance in the security area, the member of the Security Forces may do anything necessary to stop the vehicle, vessel, aircraft or conveyance including erecting barriers or other structures. (3) If the member of the Security Forces stops the vehicle, vessel, aircraft or conveyance, the member of the Security Forces shall not detain it for longer than is reasonable and necessary to search it and anything found in or on it. Power of arrest 25. Any member of the Security Forces may, without warrant, arrest any person found committing, alleged to have committed or reasonably suspected of having committed any offence under any written laws in the security area. Power to search and seize 26. (1) Any member of the Security Forces may, without warrant and with or without assistance, stop and search any individual, vehicle, vessel, aircraft or conveyance in the security area if he suspects that any article or thing being evidence of the commission of an offence against any written law is likely to be found on the individual or in the vehicle, vessel, aircraft or conveyance, and may seize any article or thing so found. (2) Any member of the Security Forces may, without warrant, enter and search any premises or place if he suspects that any article or thing being evidence of the commission of an offence against any written law is likely to be found on the premises or place, and may seize any article or thing so found.