Disclosed are methods and apparatus for the dissemination of public
warning system (PWS) information. In one embodiment, a wireless
transmit/receive unit receives a Paging Request message that includes PWS
notification information. In another embodiment, a base station is
configured to transmit a Paging Request message that includes public
warning system (PWS) notification information. In another embodiment, a
WTRU begins a procedure for the assignment of a radio resource for the
WTRU. The procedure may be, for example, a Random Access Channel (RACH)
procedure. The WTRU may monitor a control channel for an assignment
message related to the radio resource. In response to receiving a PWS
notification, the WTRU may terminate the resource assignment procedure.