Each week, the Sports Integrity Initiative strives to bring you news and information on issues that affect the integrity of sport. Here are some issues you may have missed during the last week…

• FIFA has closed its investigation into Greg Dyke (pictured), Chairman of England’s Football Association, after he returned a watch given to him by the Brazilian football confederation (CBF). ‘As a consequence, the adjudicatory chamber of the FIFA Ethics Committee has decided to close the proceedings in respect of a possible breach of the FIFA Code of Ethics’, read a 7 April 2015 statement.

• The Indian Weightlifting Federation is to suspend three of its regional units after 21 weightlifters tested positive for prohibited substances last week, according to local news reports. It is understood that the majority of those reporting positive A samples have requested testing of their B samples.

• FIFA briefed the South African Football Association (SAFA) on the progress of its investigation into allegations of match-fixing on Thursday 9 April. South Africa has criticised FIFA for failing to deal with the allegations swiftly, after it opened an investigation in 2013.

• Malaysian track cyclist Mohd Shah Firdaus Sahrom tested positive for dexamethasone at the June 2015 Malaysia Games, reports The Star. The Malaysian National Cycling Federation (MNCF) told the newspaper that he had received an injection from a doctor in relation to a knee complaint. Badminton player Lee Chong Wei also tested positive for dexamethasone last year, and also blamed an injection administered to treat an injury.

• China’s Anti-Doping Agency (CHINADA) has reported 48 doping violations in 2014 from 15,055 tests – meaning that 0.32% of tests were positive in 2014, reports the Xinhua news agency. Urine represented the majority of tests conducted (14,562 over 493 blood tests). In 2013, CHINADA reported 29 doping violations.

• The Spanish government is considering placing limits on betting advertising. The new proposed regulations will prohibit certain types of football betting advertisements, as well as the publicising of odds during live matches. Gambling advertising will also have to be clearly distinguished from the match itself. Spain legalised internet gambling in 2012.