Chinese internet giant Alibaba files documents for a public share sale in the US, completing the first step in what may be a months-long process before it makes its stock market debut.

Concerns over house prices lead some newspapers, while others focus on the latest police activity in the search for missing girl Madeleine McCann.

The White House was briefly in lockdown after an unauthorised vehicle entered a restricted area near the US president's residence.

Hollywood stars are staying away from a famous hotel after the owner, Brunei's government, introduced a harsh Islamic penal code.

The Ministry of Justice faces a legal challenge over its policy, introduced in November, that bans books being sent in to prisoners.

Composer Antony Hopkins, who presented the BBC Radio 3's Talking About Music for more than 36 years, has died aged 93, the station announces.

Polls are due to open in South Africa's fifth general election since the end of apartheid 20 years ago.

A team of US experts is sent to Nigeria to help find more than 200 schoolgirls abducted by the Islamist militant group Boko Haram.