, ▁as ▁Fox ▁renew ed ▁its ▁affili ation ▁agreement ▁for ▁its ▁UP N ▁affili ates ; ▁it ▁is ▁widely ▁believed ▁that ▁Fox ▁used ▁K CO P ▁as ▁le verage ▁to ▁keep ▁UP N ▁on ▁Fox - owned ▁stations ▁in ▁New ▁York ▁City ▁( W WOR - TV , ▁K C AL ' s ▁former ▁sister ▁station ) ▁and ▁Chicago ▁( WP WR - TV ), ▁threaten ing ▁to ▁drop ▁the ▁network ▁in ▁those ▁mark ets ▁should ▁Via com ▁move ▁the ▁UP N ▁affili ation ▁in ▁Los ▁Angeles ▁to ▁K C AL . ▁This ▁issue ▁became ▁mo ot ▁with ▁the ▁January ▁ 2 0 0 6 ▁announ cement ▁of ▁the ▁mer ger ▁of ▁UP N ▁and ▁The ▁W B ▁into ▁The ▁C W ▁Television ▁Network . ▁The ▁new ▁network ▁launched ▁on ▁September ▁ 1 8 , ▁ 2 0 0 6 , ▁with ▁former ▁W B ▁affili ate ▁K T LA ▁as ▁its ▁Los ▁Angeles ▁out let , ▁due ▁to ▁an ▁affili ation ▁agreement ▁with ▁owner ▁Trib une ▁Broadcast ing ▁that ▁resulted ▁in ▁ 1 6 ▁of ▁Trib une ' s ▁W B ▁affili ates ▁joining ▁the ▁network . ▁K C AL - TV ▁remains ▁an ▁independent ▁station , ▁and ▁is ▁currently ▁one ▁of ▁three ▁such ▁stations ▁owned ▁by ▁CBS ▁( the ▁others ▁are ▁K TX A ▁in ▁Dallas – F ort ▁W orth ▁and ▁W L N Y - TV ▁in ▁the ▁New ▁York ▁City ▁area ). ▁ ▁On ▁April ▁ 2 1 , ▁ 2 0 0 7 , ▁K C BS