Bin worker strikes in Birmingham could last until December, after they voted to continue industrial action in a dispute over pay and jobs, according to union Unite. On-and-off strike action began on 6 January with 12 walkouts planned across four months, and the union began an indefinite all-out strike on 11 March. The union said on Wednesday its members voted by 97% in favour of continued strike action on a 75% turnout. "The decision makers at Birmingham council need to get in the room and put forward an acceptable offer," said Unite general secretary Sharon Graham, warning strikes would continue for "as long as it takes". Talks have been held under the chairmanship of the conciliation service Acas but the dispute has remained in deadlock. Mountains of rubbish heaped up on the city's streets have led to concerns over public health and the environment, and there have been queues of up to a mile at some mobile collection points as residents try to get rid of their waste. The dispute initially centred on the council's decision to remove Waste Recycling and Collection Officer (WRCO) roles but escalated amid anger over an alleged move by the local authority to hire temporary labour which the union claimed would "undermine" the walkouts.