i'm reena ninan. oother member of president president trump's cabinet is leaving the administration under a cloud of suspicion. tae president announced today ynterior secretary ryan zinke will step down by the end of the esar. zinke's resigning in the crosshairs of multiple trvestigations, just as former trump cabinet members tom price and scott pruitt did before him. in addition to this, the president last week announced the imminent departure of his chief of staff, john kelly. cd yesterday, he named his budget chief, mick mulvaney, as acting chief of staff. the white house revolving door keeps spinning. r: tl barnett is there. >> reporter: the first thing president trump tweeted this morning was that his interior secretary is moving on. writing, "ryan zinke will be leaving the administration at the end of the year." >> well, i think he's done a very good job. >> reporter: last month, the president refused to fire zinke and even defended him, despite mounting investigations into his owerged misuse of

reena. >> ninan: carter, thank you very much.l, a special delivery of christmas goodies arrived at the space station today after one failed attempt. the space station's robotic arm hauled in a space-x dragon capsule packed with 5,600 pounds of cargo. the shipment includes all the fixin's for a christmas feast-- smoked turkey breast, cranberry sauce, candied yams, even fruitcake. coming up, keep it real or go artificial? it's time for the great christmas tree debate. and later, months after his dream of traveling to space was grounded, an american astronaut is bouncing back. astronaut is bouncing back. ntless too. mbc doesn't take a day off, and neither will i. and i treat my mbc with new everyday verzenio- the only one of its kind that can be taken every day. in fact, verzenio is a cdk4 & 6 inhibitor for postmenopausal women with hr+, her2- mbc, approved, with hormonal therapy, as an everyday treatment for a relentless disease. verzenio + an ai is proven to help women have significantly more time without disease progression, and

i'm reena ninan. it's day eight of the partial government shutdown, and the stalemate in washington persists. the effects of the impasse are growing. multiple government institutions are running out of money, including the environmental protection agency and the smithsonian. thousands of employees are being furloughed. many will work without pay. nikole killion is following all of this from the nation's capital. >> reporter: on day eight of the partial shutdown, president trump upped the ante on democrats, tweeting, "i am in the white house waiting for the democrats to come on over and make a deal on border security." do ttoo ans have broken d sene. administration official tells cbs news acting chief of staff mick mulvaney and white house adviser jared kushner discussed the shutdown and border security in a friday night dinner with president trump and vice president pence. the white house is accusing democratic leaders of calling off talks, despite the president's willingness to lower the $5 billion p

i'm reena ninan in new york.nk you for joining >>> kpix 5 news begins with a dramatic rescue operation at sfo where an explosion left two workers trapped understood ground. >> good evening. i'm juliet goodrich. >> i'm brian hackey. the rescue mission got underway about two hours ago following an explosion in a maze of underground tunnels. authorities say two plumbers were working in the tunnels when a cotank exede ne of the plumbe fu the r worker tried to drag him to safety. will ended up leaving him in a safe place to go get help. that worker made it out. but when he came back with rescue crews, his colleague was missing. >> the individual that the fire department was searching for was actively moving around, attempting to find the exit il d ckil you know,hey rnedthe cor he's coming to them. he was alive. thankfully, he was alive and actively moving towards them, which is a good sign for the amount of time he was underneath the building. >> minutes ago, the worker was seen being taken away in an ambulance. we do