In pictures: Philadelphia protests

Images from the streets of Philadelphia, where police have arrested hundreds of people protesting outside the US Republican party conference.

Protesters are claiming a moral victory, saying the police were heavy-handed

The protests turned violent on day two of the conference - police were injured and there were hundreds of arrests

One policeman was injured when his bicycle was used as a weapon against him

Protesters are fighting poverty, homelessness and the death sentence, which they say Republicans would make worse

Protesters had formed human chains, blocking traffic in the city centre

There was a strong police presence in Philadelphia in anticipation of trouble

The protest started peacefully but protesters had warned of civil disobedience