The phrase "a faction from the" is correct and usable in written English.
It can be used when referring to a specific group or subset that originates from a larger organization or entity.
Example: "A faction from the main party has decided to break away and form its own coalition."
Alternatives: "a group from the" or "a segment of the".
See articleThe leader of Libya's rebel movement, Mustafa Abdul Jalil, dismissed his cabinet following the killing of his military chief by a faction from his own side.
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It included a large faction from the Muslim Brotherhood, a party that had been in exile since it was outlawed in Syria in the 1980s.
United Nations peacekeepers conducted a fresh offensive today aimed at bringing to heel a dissident faction from the rag-tag pro-government coalition, a United Nations spokeswoman said.
NEW YORK, USA, 17 December 2008 – On 4 December, the Government of Sri Lanka, the TMVP (a breakaway faction from the rebel group, the Tamil Tigers and UNICEFF signed an Action Plan to ensure that the recruitment and use of children by the TMVP comes to an end, and that all children currently with the TMVP are released and provided with reintegration assistance.
The group started in the 1960s as a breakaway faction from the Democratic Party.
Edmundo Jarquín, who led a breakaway faction from the Sandinistas, trailed with only 6% or so of the poll.
Militants from the jihadi group Lashkar-e-Taiba have been fighting with a Taliban faction from the tribal district of Mohmand, the spokesman's home area.
A separatist faction from the Indian side of Kashmir said it would accept an invitation by President Pervez Musharraf of Pakistan to visit the Pakistani side next month.
A breakaway faction from the Mujahedeen Khalq was incorporated into Iran's Revolutionary Guard Corps when it was established in 1980, so it is conceivable that some current members of the guard were affiliated with the opposition group more than three decades ago.
