Worst mass shootings in recent history

10 of 22: Pupils are evacuated from the Jokela high school in Tuusula, Finland, Wednesday, Nov. 7, 2007 where a teenager opened fire at a school in southern Finland on Wednesday, shooting four people - one of them fatally - before being surrounded by police, media reports and a municipal official said. Police confirmed the shooting at Jokela high school in Tuusula, some 50 kilometers (30 miles) north of the capital, Helsinki, but said they could not give details. (AP Photo/Mikko Stig/Lehtikuva) ** FINLAND OUT NO SALES ** (AP Photo/ Mikko Stig)

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