PHILADELPHIA (CBS) — Two people were injured after a school bus was involved in a crash with a pickup truck on Castor Avenue in the Port Richmond section of Philadelphia on Monday.

The accident occurred right at the on-ramp to northbound I-95.

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No students were on the bus. The fire department says they were already dropped off from school.

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According to the fire department, the bus was returning to the bus yard to end the shift when the pickup truck was attempting to enter the I-95 on-ramp and struck the bus.

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The school bus driver and aid were taken to Hahnemann University Hospital to be evaluated for minor injuries.