A 13-year-old boy has been charged by police twice in a month, in cities more than 600 kilometres apart.

The incidents have reignited calls for tougher youth bail laws, as the NSW state government works with police and communities to tackle the roots of the behaviour.

The teen has been accused of stealing a woman's backpack before attempting to rob a group of women at Central Station in Sydney's city-centre.

He allegedly punched a man who tried to intervene several times, NSW Police said on Tuesday.

The incident occurred a month after the boy was charged over a burglary and alleged stabbing at a motel at Moree in northern NSW, according to the Daily Telegraph.

The boy was refused bail at a Sydney children's court on Monday.

In response to the incidents, NSW Attorney-General Michael D

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