Hollywood star Dwayne Johnson, on Tuesday expressed grief over the sudden demise of his late 'Snitch' co-star Michael K. Williams.

Taking to his Instagram handle, Johnson shared a monochrome picture of the late 'The Wire' star and calling him his brother in the caption, he wrote, "You'll be  missed, brother. A real pleasure to work with you and call you a friend. Strength, mana & love to your family during this very difficult and heartbreaking time. Go  rest high. Dj."