Roma have been ordered to close part of their stadium for their next home game after supporters were sanctioned for showing an offensive banner over the weekend. The banner, displayed during Roma's 1-0 defeat of Napoli on Saturday, caused outcry for insulting the mother of a Napoli fan who was killed in violent clashes between supporters last year. A Serie A disciplinary tribunal stated the banners were 'by their content provocatively insulting to the mother of a supporter of the opposing team, who died in dramatic circumstances'. Roma players celebrate their 1-0 victory over Napoli, but the club have been punished for an offensive banner . Roma fans display banners during the game, although a banner (not shown) taunting the mother of a Napoli fan who died after violent clashes last year caused outcry . Roma will have part of their stadium closed for the league match with Atalanta on April 19 . The taunts were aimed at Antonella Leardi whose son Ciro Esposito died after being shot during violent clashes that followed last year's Coppa Italia final in Rome. Although Napoli defeated Fiorentina 3-1 in the final, but the incident involved clashes with Roma supporters - encouraging Leardi to start a campaign against football violence. Roma's Stadio Olimpico Stadium will be part closed for  game against Atalanta on April 19. A young Napoli fan died after clashes between supporters following last year's Coppa Italia final . Napoli defeated Fiorentina in the 2014 Coppa final, but Roma fans were involved in clashes after the game . Club president James Pallotta has condemned the club's fans in a statement on their official website: 'As has been expressed repeatedly, AS Roma considers any events that lead to the loss of life at a football match to be a defeat for civil society as a whole, regardless of affiliations to clubs or fan groups. 'The enormous pain that follows such events deserves maximum, unconditional respect from all and necessitates that all parties -- fans, clubs and law enforcement agencies -- strive to ensure that such pain is not renewed, not even verbally, in the stands of a stadium.' The mother, Leardi, told the ANSA news agency: 'May God change the hearts of those people who wrote those banners. 'I watched the game on TV and I was hurt by those words. It pains to hear such horrible things said about a son who has been lost.'
Roma stadium will be part closed for game against Atalanta April 19 .
Supporters displayed banner taunting mother whose son died in clashes between Napoli and Roma fans after Coppa Italia final last year .
Antonella Leardi started a campaign against football violence after the death of her son Ciro Esposito .