In pictures: Orange Order parade at Drumcree

More than 20 officers were hurt after trouble flared with loyalist protestors at the barricade blocking the route of the Orange parade from Drumcree Church down the mainly nationalist Garvaghy Road in Portadown.

Some protesters were also injured as police fired plastic bullets to prevent them from storming the barrier.

Portadown Orange Order had earlier appealed for a peaceful protest after Northern Ireland's Parades Commission banned the route for the fifth consecutive year.

Here are some images from Sunday's events.

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Security for this year's parade started low-key

Portadown Orange Order wanted a peaceful protest

They object to their traditional route being blocked

At first the protest was dignified

But trouble flared at Drumcree bridge

A small crowd of protesters hurled missiles at riot police

Police were armed with baton rounds

A protester hit with a plastic bullet shouts at police

Several casualties had to be taken to hospital