In pictures: Mexican farmers riot

Mexican farmers, angry at government plans to expropriate their land to build a new airport outside the capital, have taken three more hostages. The trouble began on Thursday when at least a dozen people, including local government officials and police officers were seized.

Riot police took up positions around the town of San Salvador Atenco

But the farmers, laden with Molotov cocktails, were determined to resist

Protesters armed with bats and machetes attacked police cars

They also condemned police methods earlier in nearby Santa Catarina

The protesters took seven policemen and other officials hostage...

...several of whom were paraded on Saturday before the media in the province

And activists have continued to patrol the streets of San Salvador Atenco following the clashes