Rival firms battle it out with bulldozers on street in northern China
At least six diggers from two companies involved in cutthroat competition for clients took part in clashes, according to mainland media reports

Workers from two rival firms have fought out a street battle in northern China using bulldozers, according to mainland media reports.
A video of the incident shot by a witness and posted online showed at least six diggers clashing with each other in Xingtang county in Hebei province on Saturday.
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An unnamed source told the Chongqing Morning Post that the clashes were between bulldozer drivers working for two truck service firms who were in intense competition for clients.

It is not clear what sparked the confrontation, but it soon escalated as other drivers got involved.
At least two bulldozers were toppled over on to their sides.