Processionary Caterpillars

I as coming back home after taking the dogs out earlier on to be confronted by these on the waste land cut through opposite the police station. Be careful there if you have a dog.

https://scontent-mad.xx.fbcdn.net/hphotos-xpa1/t31.0-8/q86/s960x960/10991435_10205859700161451_8751810047483763585_o.jpg