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GAITHERSBURG, Md. (WUSA9) -- There may be a slight delay in trash pick up for thousands of Montgomery County residents because more than 100 trash collectors have walked off the job. The strike has gained new momentum even though it cost some of them their jobs.

It'sback on the picket line for trash collectors with Potomac Disposal in Gaithersburg. This is the second strike for the more than 70 employees in talks with the company to form a union, joining their brothers at UNITY Disposal in Laurel hoping to organize.

These employees walked off the job Tuesday after a co-worker was fired for speaking out in support of a union. The company says it was a problem with his immigration paperwork. Now, word that nearly 50 of the striking employees atUNITY were fired.

Union representatives sayunderscoring the need for affordable house insurance, the recent collapse of a temporary employee, was caught on video.Cell phone video provided by the union shows what appears to be a supervisor talking to the passed out worker.

Efforts by County Executive Ike Leggett to settle the disputes failed. But a spokeperson with UNITY Disposal tells us ""UNITY Disposal has been fully servicing its clients and meeting all obligations. While we cannot discuss the specifics of personnel matters, we can report that we have always provided our employees with competitive wages and benefits."