European travel and airline stocks fell after the Brussels airport attack, Reuters reported.
The STOXX Europe 600 Travel & Leisure index fell 2.2 percent, the top sectoral faller after explosions tore through the departure hall of Brussels airport on Tuesday morning.
Shares in airlines easyjet, Air France-KLM, Ryanair and Lufthansa were down between 2.6 percent and 3.7 percent.
Hotel companies Accor and InterContinental Hotel Group fell 4.1 percent and 2.5 percent respectively, while French airport operator ADP fell 1.8 percent.