The wreckage of an Airbus A400M military transport plane after it crashed near Seville on May 9, 2015.

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NEW: Four dead and two seriously injured, airplane maker says

All on board the test flight were Spanish nationals

Spanish prime minister cancels meeting out of respect for the victims

CNN  — 

Four people died and two were seriously injured after a military transport plane crashed Saturday afternoon about a mile north of Seville’s airport in southern Spain, Airbus Defence and Space said.

Airbus said six crew members – all of whom are Spanish and employed by the company – were on board the turboprop A400M, which was on a test flight.

“Our thoughts are with the families and friends of those affected by this tragic accident, and we are providing all our care and support,” Airbus said.

Emergency services responded to the crash scene, Spain’s aviation authority said, where a fire sent up a column of smoke visible from various points in the Andalusian city.

The crash led to power outages in some areas. It also disrupted travel to and from Seville airport, with some flights canceled and others diverted or delayed.

Officials with Prime Minister Mariano Rajoy’s party said he had canceled a planned meeting on the island of Tenerife following news of the crash.

CNN’s Tim Lister, Lucy Pawle and Radina Gigova contributed to this report.