As for the Evans' own goal and Cisse's offside...
FIFA says:
UEFA says:
FIFA says:
Interfering with an opponent means:
preventing an opponent from playing or being able to play the ball by clearly obstructing the opponent's line of vision or movements or making a gesture or movement which, in the opinion of the referee, deceives or distracts an opponent.
UEFA says:
Referees and assistants should be aware of the following situations which fall within the category of "making a gesture or movement which, in the opinion of the referee deceives or distracts an opponent":
• A player in an offside position, by his manner and direction of movement, on or near the path of the ball interferes with an opponent by contributing to / provoking the opponent’s uncontrolled clearance of the ball or other action).•
A player in an offside position and clearly in the goalkeeper’s line of vision (between him and the kicker) interferes with the goalkeeper (distraction).