i'm jonathan betz, here are the stories al jazeera is following at this hour: a steefr cold snap is gripping much of the nation. several deaths have been linked to the freezing temperatures, including the driver of a truck that lost control after sliding off a bridge in texas. messy conditions and airport delays from virginia to new england. >> increasing tensions it asia over the disputed islands. south korea is expanding its air defense zone obvious lapping with one announced by china, and going into effect on december 15th >> people across south africa and the world are honouring the legacy of nelson mandela.

religious services are being held across the globe. tuesday official memorial service. >> troops are in central african republic to stablilize the colony. more than 400 have been killed, thousands fled the capital. >> those are the headlines "america tonight" is next. for news all day head to aljazeera.com. have a great day and the rest of the weekend.

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>> this is al jazeera america, live from new york. i am jonathan betz. [ music ] >> a day of prayer and reflexion for nelson mandela. services are held in south africa and half a world away in the u.s. to honor his legacy. >> linennon comes krarning down >> peace keepers in the central contr control. >> massive problems in the midwest, a big winter storm pushes towards the east coast.