ITHACA -- Ithaca Police have made an arrest in an armed robbery.

The incident happened Sunday around 12:47 p.m. along the 300 block of West Green Street near the A-plus gas station, according to a police department press release.

The victim said he was robbed at gun point while he was in the back seat of a vehicle with the intent to buy a laptop.

The victim's wallet with several hundred dollars in cash was taken, according to police.

A 15 and 17-year-old are now in custody, each charged with one count of first degree robbery.

Both were arraigned. The 15-year-old was sent to a juvenile detention facility on $5,000 cash bail/$10,000 bond. The 17-year-old was sent to the Tompkins County Jail on $5,000 cash bail/$10,000 bond.

The investigation is on-going, and additional charges and arrests are expected.