The 18-year-old Austrian gunman accused of attempting a terrorist attack on the Israeli consulate in Munich is believed to have had links to an Islamist group active in Syria, sources told dpa on Friday, as further details of the deadly incident emerged. The teen, who was shot and killed by police officers near the consulate on Thursday morning, was investigated last year in Austria on suspicion of having become radicalized, but proceedings against him were dropped by authorities in Salzburg. Sources close to the investigation told dpa early on Friday that the shooter may have had ties to the …