The BBC says it is "actively working to resolve" the apparent hacking of a number of accounts by a group claiming to be the Syrian Electronic Army.
We're aware that in the past few hours several BBC Twitter accounts have been hacked. We're actively working to resolve this asap.
The @BBCArabicOnline, @bbcradioulster and @bbcweather accounts all posted tweets relating to Syria and the Middle East.
Apologies to all our followers our account was hacked today.
More top news
Mladic, now 75, was the military commander of Bosnian Serb forces in the 1990s, who fought against the Bosnian Croat and Bosniak armies.
Weather: Heavy rain and strong winds in the north
His representatives said Cassidy, who was hospitalised last week, died "surrounded by those he loved."