New details and a sketch of the suspect who allegedly attacked a 12-year-old boy at a bus stop in Newton have been released by police.

The man is accused of attacking the child Monday morning around 9 a.m. while he was on his way to school, WHDH reported.

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“The boy told police that the man approached him from behind and then confronted him, demanding his cellphone. Then the child was able to see that the man had a large knife in his hand,” Fox29 reported.

After a brief struggle, the boy was knocked to the ground, and the suspect made off with his cellphone.

With the help of other children, the young boy went to school where he reported the incident. He was taken to Boston Children's Hospital.

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The suspect, originally described as a tan white male with white facial hair wearing a blue hoodie is now described as a “possibly Hispanic, male, early 20s, with medium build and height. He was wearing a royal blue shell jacket with an attached snorkel-type hood and matching pants,” Newton Police wrote in a statement.

Additionally, police say that after the assault the man was seen in a restaurant on Moody Street in Waltham near the Newton line where he left the stolen cellphone.

Anyone with information regarding this incident is encouraged to call Newton Police at 617-796-2100.