Airlines and hotel shares have been badly hit in Friday's sell off after a terror attack in the Spanish city of Barcelona.

The Euro Stoxx 600 Travel & Leisure index was down 1.13% Friday at 8:49 am in London, compared with a year-to-date rise of 4.78%.

Low-cost airline Ryanair (RYAAY)  was marked 4.21% lower in London, changing hands at 18.48 pence a share, after gaining almost 10% over the past three months.

International Airlines Group (ICAGY) , the parent company of British Airways and Spanish airline Iberia, fell 2.46% to 609 pence. Easyjet (ESYJY)  was down 2.38%, Lufthansa (DLAKY)  lost 1.74% and Air France KLM (AFLYY)  lost 3.19%.

The tourist industry have been hit by a string of terrorist attacks across Europe, including London, Paris, Nice and now Barcelona, as people have been put off by repeat attacks.

French hotel chain Accor (ACCYY)  shares fell 1.5% in Paris to €38.78. InterContential Hotels (IHG)  were marked 1.63% lower in London, changing hands at 3,921 pence.

Watch More with TheStreet:

More from Video

Why Big Mergers Are Still Happening Even With Stocks at Record Highs

Why Big Mergers Are Still Happening Even With Stocks at Record Highs

Market of the Week

Market of the Week

We Are In a Rising Interest Rate Cycle, Says Legendary Technician

We Are In a Rising Interest Rate Cycle, Says Legendary Technician

Here Is Why Some Investors View Airbnb as an Asset Class

Here Is Why Some Investors View Airbnb as an Asset Class

Everything You Need to Know About Closed-End Funds to Boost Your Portfolio

Everything You Need to Know About Closed-End Funds to Boost Your Portfolio