IndyCar announced that driver Jack Hawksworth is not cleared to drive in Sunday's race at Pocono (Pa.) Raceway, a day after being diagnosed with a myocardial contusion sustained in an incident during practice.

Hawksworth was injured during Saturday's second practice session for the Pocono IndyCar 500. He was evaluated at the infield care center by IndyCar medical director Dr. Michael Olinger and later transported to Lehigh Valley Health Network in Allentown, Pa., where he stayed overnight for observation.

Hawksworth will be re-evaluated by the IndyCar medical team before being cleared to drive. The next race is July 12 at Iowa Speedway.

Hawksworth's car spun and made left-side contact with the Safer Barrier in Turn 1. He received assistance as he climbed out of the car.

The 23-year-old first-year IndyCar driver from England was coming off a season-high third-place finish in Race 2 at Houston.