A 12-year-old boy suspected of shooting and killing a classmate and wounding two girls at a school in Finland had only been a student at the insitution since the beginning of the year, officials say, adding that there had been "no special information to report" during this time. The Vantaa City Hall building's flags are flying at half-mast as the northern European country observes a day of mourning a day after the boy had opened fire at his school near the capital Helsinki. IMAGES AND SOUNDBITES