Futsal, a form of five-a-side football, is to replace the standard 11-a-side format at the next Youth Olympic Games in Buenos Aires in 2018.
Buenos Aires 2018
Identical numbers of men and women are set to compete at the Buenos Aires 2018 Summer Youth Olympics in what is set to mark the first time full gender equality has been achieved at any form of the Games.
Francisco Irarrázaval, chief executive of Buenos Aires 2018, has promised the Argentinian capital will deliver a Summer Youth Olympic Games that "will inspire" by focusing on human development and social integration and they are not thinking beyond that event.
Buenos Aires 2018 has vowed to bring sport to the 2.6 million young people residing in the Argentine capital, particularly its inner city residents, when it hosts the Summer Youth Olympic Games in four years' time.
March 15 - Lionel Messi, the world's bester footballer, has been named as an ambassador of the 2018 Summer Youth Olympic Games in Buenos Aires.
October 16 - Frankie Fredericks has been appointed as the chairman of the International Olympic Committee (IOC) Coordination Commission for the 2018 Summer Youth Olympic Games in Buenos Aires, it was announced today.
July 4 - Buenos Aires were today awarded the 2018 Summer Youth Olympic Games ahead of Medellin and Glasgow, who were knocked out in the first round.
July 3 - Medellín has secured victory by an overwhelming margin on the insidethegames poll asking readers which city they think should hold the 2018 Youth Olympics just a day before the International Olympic Committee (IOC) elects the host city.
July 3 - Princess Anne, one of four British International Olympic Committee (IOC) members, is not attending this week's Extraordinary Session here, it has been revealed.
July 2 - Sir Chris Hoy, Britain's most decorated Olympian, will join the Glasgow 2018 delegation as it delivers its final Youth Olympic bid presentation to the International Olympic Committee (IOC) in Lausanne on Thursday (July 4).
July 2 - Gerardo Werthein, President of the Argentine Olympic Committee (COA), will lead a senior Buenos Aires delegation at the International Olympic Committee (IOC) extraordinary session this week where it will learn the fate of its bid to host the 2018 Youth Olympics.
July 2 - The importance to Colombia of Medellín's bid to host the 2018 Summer Youth Olympics will be illustrated here on Thursday (July 4) when the country's President Juan Manuel Santos will the lead delegation for the final presentation and vote.
June 26 - Glasgow 2018 bid director Paul Bush has claimed the Scottish city's proposal to host the Youth Olympic Games "can have a truly global impact" on youngsters with just over a week to go until the host city is announced by the International Olympic Committee (IOC).
June 19 - With just over two weeks until the announcement of the host city for the 2018 Youth Olympic Games, the world's second ranked tennis player Andy Murray has joined a host of British sporting icons in becoming the latest bid champion for his city of birth, Glasgow.
June 14 - Glasgow 2018 has pledged to have young people from across the globe helping it deliver the Summer Youth Olympics as members of the Organising Committee and the Culture and Education Programme (CEP) team, should it win the right to host the event.