Why a 12-year-old took action against period poverty
Russia launches 'massive' attack on Ukrainian power grid
Ireland protests over suspended term for assault by soldier
UK's richest family convicted of exploiting servants
Volunteer firefighter dies battling Greece blaze
Barcelona mayor vows to abolish holiday lets
BBC visits mountain area where Jay Slater vanished
US bans Kaspersky software for alleged Russian links
Finland shocked by suspected 'racist' stabbings
Putin arrives in Vietnam for visit criticised by US