VIEWER VIDEO: Standoff between police, suspect on I-676

PHILADELPHIA (WPVI) -- New viewer video shows the tense standoff on the Vine Street Expressway on Tuesday between Pennsylvania State Police and suspected shooter Giovanni Cotto.

Drivers on I-676 watched from their cars, just feet away from troopers with guns drawn.

VIDEO: State trooper released from hospital

Cotto, 17, is was charged as an adult on Wednesday with attempted murder and related counts, and is being held on $3 million bail for allegedly shooting Trooper Pat Casey during the highway gun battle.