A 22-year-old man has been charged with the murder of nine-year-old Lillia Valutyte, Lincolnshire Police said.
The schoolgirl died in a suspected stabbing in Fountain Lane, Boston, at around 6.20pm on July 28.
Lithuanian national Deividas Skebas, 22, of Thorold Street, Boston, has been charged with murder and is due to appear at Lincoln Magistrates’ Court on Monday.
Lincolnshire Police said armed police had earlier made an arrest in the Central Park area of Boston on Saturday afternoon “following a combination of intelligence and information supplied by members of the public”.
Chief Superintendent Martyn Parker said: “This is a heartbreaking case that has affected many people in Boston, and further afield.
“Our thoughts continue to be with Lilia’s family at this exceptionally difficult time.
“The response to such a devastating incident has involved committing significant resources to the investigation, and engaging with people in Boston who are understandably shocked by Lilia’s death.
“Our officers have been in the town, speaking to the public and listening to their concerns. We’ll continue to maintain a significant presence over the coming days.
“Finally, I’d like to extend my thanks once again to the public and the media, who have provided help in a challenging and fast-moving case. Your support is appreciated by our officers and staff.”
Officers said her parents are being supported by specially trained police, and said earlier Saturday the town would continue to see a significant police presence.