Mark Demesmaeker, MEP of European Conservatives and Reformists Group, says Europe's security services need to co-operate to combat terrorism.
Mark Demesmaeker, MEP of European Conservatives and Reformists Group, talks about Belgium's response to the attacks in Brussels.
CNBC's Hadley Gamble reports from Brussels with the latest news on Tuesday's terror attack.
Lowy Institute's Rodger Shanahan says even the best security forces would have had trouble penetrating the attackers' sophisticated operational planning.
The so-called Islamic State has claimed responsibility for Tuesday blasts in Brussels, which killed at least 30 people.
London had issued warnings days earlier and the airport location in Brussels was an obvious target, notes Colin Chapman from Australian & ASEAN Strategies.
The IS has issued an updated communique taking credit for the Brussels attacks and threatening other countries taking part in the anti-IS coalition.
As long as investors are globally diversified, they can take advantage of short-term volatility, says Jeff Kravetz from U.S. Bank Private Client Reserve.
European security and police officials are not sharing information effectively due to fragmented intelligence services, warns Anthony Roman from Roman & Associates.
Jack Rice, former CIA Officer, explains why Belgium and France are struggling to identify terrorists.
Europe must improve the regional sharing of intelligence to successfully combat the rise of homegrown militants, policy experts told CNBC.
Markets' muted impact post-Brussels attack conveys the message that it won't stand for intimidation, says Peter Cardillo from First Standard Financial.
The travel alert, which expires on June 20, advised U.S. citizens to exercise vigilance when in public places or using public transportation.
Former Australian PM Kevin Rudd says the Brussels bombings are an attack on global institutions and it stirs up instant global solidarity.
Oil markets will return to fundamentals once the shock from Tuesday's violence in Brussels wears off, says Neil Atkinson from the International Energy Agency.
Ozzie Nelson of the Center for Strategic & International Studies explains why European governments must improve regional information sharing to combat terrorism.
Belgium authorities are on the hunt for just one man they believe is involved with the Zaventem airport attacks. CNBC's Hadley Gamble reports from Brussels.
Markets have become better at quickly absorbing terrorist threats in muted fashion, notes David Joy, chief market strategist at Ameriprise Financial.
Eugene Tan from Singapore Management University discusses risk of a terrorist attack in Singapore and its level of preparedness for such an event.
Countries should be focused on hunting terrorists who are conducting their pre-operational surveillance, says Stratfor's Scott Stewart.