A TEENAGER armed with a Samurai sword frightened a group of mums and kids by wielding the steel-bladed weapon above his head in a children's park.
He was criticised by a Gladstone magistrate that he should have known better than to do this causing fear in a time of terrorism, when people did not know if he was "a little bit crazy" or only mucking about.
One horrified mother drove up to the Gladstone Police station to get officers.
But when worried officers rushed down to the skate park that Saturday afternoon the armed man and his mate were already gone.
Police prosecutor Gavin Reece told Gladstone Magistrates Court that police received reports about an armed man, including the mother worried about the safety of children in the park.
Police later identified 17-year-old Charles Wagner as the swordsman after people at the skate park showed photos they took of him with a Japanese Katana Samurai sword.
Mr Reece said Wagner was seen to take the sword from a case in the park and photos show him holding it above his head.
Wagner pleaded guilty before magistrate Penelope Hay to carrying a weapon in a public place at 3pm on January 23.
Defence lawyer Jun Pepito said Wagner wasn't really thinking but realised afterwards he was in the wrong.
"He realises the danger he was exposing (people to) and why people reacted in that manner," Mr Pepito said.
"He was just trying to show it off. He accepts it could injure someone.
"He has lost the sword; it was forfeited to the Crown."
Ms Hay told the teenager it was "a particularly stupid thing to do in a public place".
"It caused fear to people including children," she said.
"Particularly in our current climate with terrorism and people using weapons."
Ms Hay said Wagner was young but commonsense should have made him realise it was a bad idea.
"You cannot carry weapons around or brandish them in such a way," she said.
She told him that he would be concerned if he saw an armed man in a park.
"Yes, a little bit," replied Wagner.
"You just don't know if they are only mucking about or a little bit crazy," Ms Hay said. Wagner was fined $300.