Giridih, May 18: They are political foes, but pollution friends. Putting behind the Lok Sabha election results, BJP and JMM have come together to voice concern over the rising level of pollution in the district. Leaders of both the parties today drew the attention of Giridih deputy commissioner Vandana Dadel to the menace. The JMM team, led by Gandey MLA Salkhan Soren and district president Sudipt Kumar Sonu, handed over a letter to Dadel, in which they spoke about pollution caused by sponge iron units in Chatro, Gangapur and Mahuatand. While the BJP leaders