No 10 refuses to say if the Prime Minister's family still had a stake in the fund run by his father.
Messi's lawyers decide on legal action against media alleging his involvement in the Panama scandal.
More than 26,000 people have signed a petition calling for the prime minister to quit.
In the wake of the Panama Papers release, IBTimes UK takes a look back at other notable leaks.
Three of the top ten banks listed in the leaked papers have offices in the Channel Islands
Panamanian firm Mossack Fonseca is at the centre of one of the biggest leaks of confidential documents in history.
Tackling offshore secrecy is like trying to wrestle with a deep sea octopus in the dark.
The biggest data leak in history has lifted the lid on how world leaders and top officials hide their cash.
At least eight top Chinese figures and associates included in Mossack Fonseca papers.
Tax haven in Caribbean also most popular offshore hub used by law firm Mossack Fonseca, show leaks.
Asides from Bollywood stars, up to 500 of India's politicians and businessmen have been mentioned in the leaks.
IBTimes UK looks at global reporting of who has been caught up in the headlines.
He is described as the Russian president's best friend, whom he has known for decades.
Messi, Platini and members of Fifa named in leak of millions of files exposing offshore financial dealings.
Three of Pakistani prime minister's four children feature in the Mossack Fonseca leaks.
The Panama Papers is the biggest data leak in history, here's what we have learnt so far.
HM Revenue and Customs has promised to closely examine the material from Mossack Fonseca.
PM Gunnlaugsson has been linked to a secret offshore company in tax havens, sparking calls for an election.
Co-founded in 1977 by the son of a former SS soldier, the law firm has acted for more than 300,000 companies.
Leaked 11.5 million records of offshore holdings reveal politicians' and celebrities' use of tax havens .
1 hour ago
By Gaurav Sharma