* Suspect's backpack found discarded in Central Park, CNN reports * Police release suspect photos, offer $10,000 reward for information * Security tightened at UnitedHealth ( UNH ), other insurers after attack * Shell casings found with words linked to book critical of insurance industry (Adds CNN report that backpack was found, paragraph 3) By Rich McKay and Daniel Trotta...

(Reuters) - New York City police believe the man who fatally shot a UnitedHealth ( UNH ) top executive has left the city, Police Commissioner Jessica Tisch said on Friday, as the hunt for the gunman passed the crucial 48-hour mark. Brian Thompson, 50, the CEO of UnitedHealth's ( UNH ) insurance unit, was shot in the back on Wednesday...

* Court decision will be appealed to the Supreme Court - TikTok CEO * DOJ says TikTok is a threat to national security and should be sold * Trump has vowed to prevent TikTok from being barred (Adds TikTok CEO comment, Chinese embassy statement, closing share prices, Google declining comment) By David Shepardson and Mike Scarcella WASHINGTON, Dec 6 (Reuters)...

WASHINGTON (Reuters) -A U.S. federal appeals court on Friday upheld a law requiring Chinese-based ByteDance to divest its popular short video app TikTok in the United States by early next year or face a ban. The decision is a major win for the Justice Department and opponents of the Chinese-owned app and a devastating blow to TikTok parent ByteDance. It...