flying between new york and atlanta. eugene harvey and mark henry used carry-on luggage. one of the suspects admits bringing 18 guns, seven loaded, on to a flight to new york. this includes an ak-47 and ar-15 load ed. prosecutors will hold a news conference this afternoon. australia's prime minister issuing a terror warning. security officials detected an increase level of terrorist chatter following the siege in sydney. tony abbott saying a terror attack is likely. there will be an increased police presence across the city. his words come among a sad farewell of the two victims killed in the cafe. survivors from the standoff were on hand to pay their respects. johnson and dawson remembered as heroes. johnson for wrestling the gun