Harris County deputies are involved in a standoff in Huffman with an armed man to whom officials were trying to serve a warrant, authorities said.

The Harris County Sheriff's Office has taken over an area on Lone Pine Drive where Constable Precinct 3 deputies were trying to find the man. As of 7:20 p.m. Tuesday, the man was barricaded inside a mobile home. He is believed to be a danger to himself and others, the sheriff's office reported.

The agency's High Risk Operations Unit is trying to negotiate with the man for a peaceful surrender, according to a statement.

Huffman is an unincorporated area in far northeast Harris County about 40 miles from downtown Houston.

More details will be released as information becomes available.