Arbitration — Challenge to validity of arbitral award — Application by plaintiff to Swedish court to set aside arbitral award — Section 36 of Arbitration Act 1999 — Whether arbitral tribunal ruling on all issues submitted to it — Whether arbitral tribunal ruling on substance — Whether Section 36 of Arbitration Act 1999 applicable

Costs — Arbitral tribunal’s decision on costs — Application by plaintiff to Swedish court to vary decision on costs — Czech Republic’s litigation costs — Whether plaintiff liable