Complex sentence: However, discrepancies in the evidence led investigators to consider it false flag attack, and on 21 April 2017 German police arrested a man on suspicion of planting bombs to drive down the Borussia Dortmund share price and profit by short-selling.
Split into simpler sentences: However, discrepancies in the evidence led investigators to consider it false flag attack. On 21 April 2017 German police arrested a man on suspicion of planting bombs to drive down the Borussia Dortmund share price and profit by short-selling.