Notwithstanding any other provision of this section, an alien may be detained, and for an alien described in subsection (c) shall be detained, under this section without time limitation, except as provided in subsection (h), during the pendency of removal proceedings. (2) Construction The length of detention under this section shall not affect detention under section 241. . (3) Detention of criminal aliens Section 236(c)(1) of such Act ( 8 U.S.C. 1226(c)(1) ) is amended— (A) in subparagraph (C), by striking or at the end