
Sakhawat was arrested from his rented house near Masterkhanpara Mosque at Uttarkhan in the capital at 7.15pm on Saturday.
Uttarkhan Police Station officer-in-charge Yunus Ali confirmed it.
The OC said police arrested him after the International Crimes Tribunal issued an arrest warrant.
Sakhawat was elected as Jamaat-e-Islami candidate in 1991 general election from Jessore-6 constituency. He was Jamaat's MP from 1991 to 1996. He used to live at a house at Sector 6 in Uttara. Recently, he got into Uttarkhan residence along with his wife.
Sakhawat Hossain, hails from Keshabpur in Jessore, was a Rajakar commander and assisted Pakistani army during the liberation war in 1971.
In 2009, four major war crime charges were filed against Sakhawat in Jessore.
ZA