One of the injured was in critical condition, Birmingham police said.
Markus and Mo weighed about 70kg (11st) at birth, and now weigh about 500kg (78st) each.
The protests in cities across Germany - including Berlin, Hamburg and Frankfurt - came on the same day hundreds of thousands also protested in France.
Wales hit for a century at the Rugby League World Cup as champions Australia run in 21 tries to set international records.
Match report: Records tumble as merciless Jillaroos destroy Wales in Rugby League World Cup And the two teams are out in the glorious spring sunshine. Smiles all round as Australia prepare to fill their boots and Wales soak up the occasion. The Jillaroos are wearing gold jerseys this afternoon,...
From husky sledding and chasing the northern lights in Lapland to bear-spotting in Transylvania, here’s our pick of wild and magical snowy breaks in Europe At Ruka, the first skiers of the year slalomed down the slopes on 2 October. Just inside the Arctic Circle, Ruka’s long snow-sure season and...