*Red Sea resorts quiet but some cancellations coming in. By killing two holidaymakers near one of Egypt's biggest sea-and-sun resorts, the Islamist militants behind the attack have undermined Egyptian official assurances that foreigners face no threat from the turmoil that has shaken the country since the overthrow of autocrat Hosni Mubarak in 2011..
FRANKFURT, Feb 20- Shares in German travel group TUI AG dropped 5 percent on Thursday following the sale of a 15.7 percent stake by its second-largest shareholder, John Fredriksen, who had been pushing for a merger with London- listed TUI Travel.
European shares closed lower on Wednesday, as riskier assets were shunned by investors on concerns about a possible military strike on Syria.
European shares closed higher on Wednesday after business confidence data was released in Germany showing an increase.
European shares ended mixed Tuesday amid "fiscal cliff" discussions in the U.S., but losses were limited as EU finance ministers met in Brussels to discuss details of a possible banking union.