Thousands of campaigners from civic and church groups have gathered in Downing Street to remind Tony Blair and world leaders that time is running out for Darfur, where 200,000 people have been killed and millions displaced.
Many hundreds of thousands of Turks have joined protest for the maintenance of a democratic, religiously neutral government - and opposition either to a military coup or a drift towards Islamism.
A web-based ecumenical network of Christians from mainline denominations is contacting Congress to seek an end to the war in Iraq and a commitment to justice and peace.