The motivation for the attack is still unclear
Seven people including the suspected attacker were admitted to various hospitals with burn and stab wounds
Fines of up to $10,155 would be imposed for anyone breaking the rules, although the minimum fine would be closer to $100
The finding is part of latest annual update on Swiss banks, released by Switzerland's central bank Swiss National Bank
Supporters of the UBI initiative say providing such an income would help fight poverty and inequality