i'm dionne lim. you're watching abc 7 news at five live here on abc 7 hulu live and wherever you stream. right away. this is a time to celebrate and heal as we take a live. look outside. this is the starting point of the parade set to begin in just about 15 minutes abc 7 news reporter. ryan curry has a look at some of the preparations behind the parade and the hopes for a brighter year ahead. crews are securing the details on each float ahead of the parade saturday evening. yeah, we're just in specting everything and and maybe done. stephanie mauffson's team want to make sure the floats look as good as possible when they head down market street during the parades anticipated return. it was canceled last year due to the pandemic. it's great to be back here right now because the hard work is the hard part. this is the this is the payoff coming out seeing people. enjoy. work we put into it most of the floats have a decorated tiger the symbol for this year's chinese new year the year of the tiger represe

i'm dionne lim. we'll see you then. >>> tonight, breaking news as we come on the air. the world holding its collective breath as tensions in ukraine near a tipping point. new images tonight from russian state media show the country conducting strategic military drills, an elaborate show of force with president putin and the president of belarus watching. this as u.s. officials warn that up to half of more than 150,000 troops gathered at the ukraine border are now in position to attack. vice president kamala harris meeting today with ukrainian president zelensky in munich, calling it a decisive moment in history and saying the u.s. and allies will impose economic costs if russia further invades. tonight, increased shelling in the eastern part of the country, killing two ukrainian soldiers and forcing military leaders into bomb shelters. our team across the region and now reporting from the white house. >>> also breaking tonight, that stunning image -- a helicopter crashing into the ocean just off miami beach. dozens watching in horror. the surveillance footage of the cr

i'm dionne lim abc 7 news continues tomorrow morning at 5 for spencer christian and casey pratt and allus here. thank you so much for joining us. we take you outside a live. look where temperatures are warming up the bay bridge all lit up tonight. keep that in mind. we do have a little bit of rain in the forecast. just a smidge. have a great night. see you in the morning. >> announcer: "this week" with george stephanopoulos starts right now. >>> war in ukraine. capital kyiv under siege from russian forces. >> air raid sirens are ringing out across the country. >> citizens soldiers and ukraine's president defiant. the u.s. and european allies hit putin with sanctions.

i'm dionne lim. thank you so much for joining us for all of us here.ghtow. our o lit up red and celebrating lunar new year. have a great night and happy year of the tiger. (john a.) tonight, 24 americans lay it all on the line. their whole lives have been leading up to this one moment of glory. (music distorts) yeah! grandma needs a new husband! (john h.) yeah, let's hope they have a plan "b." aah! (john a.) they've come from all over the country and from all walks of life to vie for $50,000 and the ultimate bragging rights. at the end, only the top three competitors

i'm dionne lim abc 7 news continues tomorrow morning at 5:00 for spencer christian and chris alvarezally all of us her much for joining us have a wonderful evening and we will see you in the morning. when kids need medical care, they will often face stressful and life-changing experiences. they miss out on the things that make being a kid fun. starlight children's foundation has delivered happiness to 17 million seriously ill kids and their families at more than 800 children's hospitals and healthcare facilities. our programs entertain and inspire hospitalized kids. learn more at starlight.org, that's starlight.org. (john a.) tonight, 24 teachers put it all on the line as they try to earn the respect of america's students. (cheering) (music distorts) (high-pitched voice) aah! i'm smarter than a fifth grader! yes! yes! yes! aah! whoo! (john h.) yeah, well, they're about to get schooled. (john a.) these teachers have come from all different subjects and grade levels to vie for $50,000 and ultimate bragging rights.

i'm dionne lim. you're watching abc 7 news at 11 live here on abc 7 and wherever you stream. well right away the cdc is releasing new data about booster protection a study shows the effectiveness of the third shot wayne's after about four months abc 7 news reporter loose peÑa is part of our vaccine team and spoke to experts about what this means moving forward as many say we are getting closer to an endemic. roughly three months since boosters became available for california's 18 and older the cdc announced the protection from a third shot decreases after four months what the booster did is increases production of antibodies for a while ten weeks to four months. those antibodies are going to come down with time, but that doesn't mean you're immune response wayne. it just means one aspect of the immune response, dr. monica. gandhi ucsf's infectious disease. socialist highlighted that the first two doses of the vaccine continue to be highly effective against the virus those two doses primed the body to respond any time start t cells are b cells are still there. the b cells are