BRUSSELS—The European Union has not recognized the Taliban, EU Commission President Ursula von der Leyen said on Saturday, nor is it holding political talks with the militants, a week after they seized control of Afghanistan. The Taliban completed a lightning takeover of Afghanistan on Sunday, walking into the capital Kabul without firing a shot. The head of the EU executive spoke after visiting a reception center in Madrid for Afghan employees of EU institutions evacuated from Kabul. Von der Leyen said she would propose an increase in the 57 million euros ($67 million) in humanitarian aid which the Commission had allocated this year for Afghanistan. She said EU development aid is tied to respect of human rights, good treatment of minorities, and respect for the rights of women and girls. “We may well hear the Taliban’s words but we will measure them above all by their deeds and actions,” von …