Unity - GET Sprite from URL

 public void StartLoadingPhoto(){
        IEnumerator coroutine = LoadPhoto("http://website/photo.png");
        StartCoroutine(coroutine);
 }
 
 IEnumerator LoadPhoto(string url)
    {
        string url = url;
        Texture2D tex;
        tex = new Texture2D(4, 4, TextureFormat.DXT1, false);
        WWW www = new WWW(url);
        yield return www;
        www.LoadImageIntoTexture(tex);
        Sprite sprite = Sprite.Create(tex, new Rect(0,0,300,300), new Vector2(0.5f, 0.5f), 100);
        Photo.sprite = sprite;
        //GetComponent<Renderer>().material.mainTexture = tex;
    }