Posted: Wednesday, 25 September 2013 5:32AM

National AP Updates

NAIROBI, Kenya (AP) — The militant group behind the four-day takeover of a Nairobi mall are tweeting that Kenyan forces used a chemical agent and buried 137 hostages when they demolished the building. A government spokesman denies it. Meanwhile the British Foreign Office confirms that a Briton has been arrested in Kenya. A Kenyan official had said a Briton was among the terrorists.

WASHINGTON (AP) — It's around the 15 hour mark now and Texas Sen. Ted Cruz is still at it on the Senate floor complaining about President Barack Obama's health care overhaul and trying to delay action on a temporary spending bill. He seems destined to lose later today when the Democratic-controlled Senate holds a test vote.

SEASIDE HEIGHTS, N.J. (AP) — A poll out today suggests validity to concerns by New Jersey officials who worried that visitors would stay away from the shore in the wake of Superstorm Sandy. The Monmouth University-Asbury Park Press poll finds that nearly 40 percent of respondents spent less time at the Jersey shore than usual this summer, with many concerned that businesses had not reopened.

LAS VEGAS (AP) — Nevada authorities are hunting for a teenager from a Las Vegas suburb suspected in the deaths of his mother and 9-year-old brother just a day after celebrating his 16th birthday with them. The search for Adrian Navarro-Canales is in its sixth day, and police say they're also searching at the Mexican border.

MADRID (AP) — Officials of a rail infrastructure company in Spain which had responsibility for a stretch of track where 79 people died in a derailment have been named as suspects. A court statement says they'll be considered suspects while the judge tries to determine whether the track was safe. The train driver has already admitted he was speeding and is charged with manslaughter.