reena? >> ninan: tony, thanks.rseas in iraq, the battle for mosul rages on. ( explosion ) that's a car bomb rattling western mosul. it was likely set off by isis. several police officers were wounded. iraqi forces, backed by the u.s. military, are trying to retake the city from isis. meanwhile, the terror group is suspected of carrying out a chemical attack on civilians in mosul this past week. here's jonathan vigliotti. >> reporter: reena, the united nations in a statement today called the attacks a possible war crime as they wait for confirmation on what chemicals, if any, were used. the u.n. confirmed at least 12 people are being treated at a hospital in erbil. among the injured, five children and a one-month-old baby. according to the red cross, the alleged chemical weapons caused blisters, vomiting, and severe swelling around eyes. the injuries happened in two separate attacks in eastern mosul beginning wednesday. this woman said a rocket landed in her home and sprayed her family with what she described as an

i'm reena ninan. what's next? that's the big question following president trump's stinging defeat this week on health care. mr. trump, who is spending the weekend in washington, wants to move on to the next item on his to-do list-- tax reform. but haze hiz failure to rally republicans behind a plan to repeal and replace obamacare has raised questions about his ability to clear legislative hurdles. we have two reports tonight on what's next for health care and the president beginning with chip reid. >> reporter: on twitter today, president trump tried to rally his deeply disappointed surptses. "bawsm will comploat," he wrote, and we will get together a plan for the people. do not worry." but an explosion of obamacare is far from guarantee. after cancelling the vote on the republican bill friday, house speaker paul ryan said this: >> obamacare is the law of the land. it will remain the law of the land until it's replaced. >> reporter: he suggested that the house will return to health care but gave no hints too when

reena. >> ninan: chip reid, thank you.ow errol barnett is at the white house with a look at the next goal in president trump's economic agenda-- an overhaul of the personal and corporate tax system. >> we were very close, and it ors a very, very tight margin. >> reporter: after failing to close the deal to repeal and preace obamacare, president trump is moving on to reforming the tax code. >> i would say that we will stobably start going very, very strongly for the big tax cuts and tax reform. that will be next. >> reporter: mr. trump was convinced by g.o.p. leadership co tackle taxes after health care so any budget savings reached through cutting obamacare could have paid for tax reform. >> the savings that you achieve through obamacare, which we were going to save many billions of dollars, can be used then towards the additional pot for tax reform. n reporter: but now that republicans have been dealt their first major legislative knss, speaker ryan acknowledges tax reform will not be easy. >> yes, this does make tax refo

i'm reena ninan. before most americans awoke saturday, president trump was on twitter posting explosive wiretapping accusations against president obama. mr. trump claims he recently learned mr. obama ordered what trump describes as a watergate-style water tap on trump tower in new york. he says it happened just before the election. mr. trump offered no evidence, and an obama spokesman issued a quick denial. it comes amid growing controversy over the trtion's possible russianitize. the president is spending the weekend at his mar-a-lago resort in palm beach. errol barnett is there. >> reporter: president trump is back on familiar ground here at his mar-a-lago resort in florida, and he's back to one of his favorite activities -- stirring up conversations with his tweets. after a week of speeches and addresses widely regarded as presidential, mr. trump made an explosive allegation, that the obama administration screptly election. the president's tweet storm started around 6:35 a.m. with this: "just found