Rubbish collectors are in the 10th day of their walkout, which has left 6,000 tonnes of garbage on the streets.
The 1,600 Lipsam municipal cleaning company workers went on strike on January 27 after the Andalusian regional government said it would cut their pay by 5 per cent and make them work longer.
Talks to resolve the dispute have so far failed.
Residents say the stench is unbearable.
On Tuesday night about 100 wheelie bins were set on fire, an action the workers have disowned.
The regional government claims it needs to make the cuts to put its finances in order.
There have been similar strikes in Granada and Jerez.
Attacks such as yesterday's horrific murder in Woolwich didn't happen before the 'war on terror.' It's time we recognised the consequences of the conflicts we've unleashed