'Weapons seized' and more than 140 arrested prior to Champions League match

    Amsterdam Police released pictures of the weapons confiscated from Ajax and Juventus fans before a match at Johan Cruyff Arena, in Amsterdamm on April 10.

    (CNN)Dutch police arrested more than 140 people as trouble flared prior to the UEFA Champions League quarterfinal first-leg tie between Ajax and Juventus on Wednesday.

    Supporters from both teams clashed ahead of the game at the Johan Cruyff ArenA, police said, with a number of weapons, including a hammer, screwdriver and cans of pepper spray confiscated.
    "Two large groups, in particular Italian supporters, have been arrested," a police statement read.
      "The first group, 46 suspects, was arrested in the metro and the second group, 61 suspects, was arrested at the ArenA [stadium]."
        "Weapons and fireworks were found in these groups."
        Dutch police officers surround Ajax's supporters ahead of the match.
        An example of the weapons seized by police before the game.
        Police confirmed that officers on horseback were then deployed to restore order as fans set off fireworks at the south side of the stadium where more than 30 further arrests were made.
          Footage on social media appeared to show police using water cannon against supporters.
          Police said they are continuing to investigate the incidents. Meanwhile UEFA -- European football's governing body -- confirmed it had opened disciplinary proceedings against Ajax following the match.
          The host has been charged with throwing of objects, crowd disturbances and for blocked stairways.
          "The case will be dealt with by the UEFA Control, Ethics and Disciplinary Body on May 16.