Felipe Juan Froilán, the eldest grandson of Spain's King Juan Carlos and Queen Sofia, will remain at the Madrid hospital where he is being treated for a self-inflicted gunshot wound in the foot for "several more days," the Royal Palace said.

The 13-year-old boy, who is the son of Princess Elena, shot himself on Monday and is recovering well, but he will remain hospitalized so his wound can be treated properly.

Felipe Juan Froilán was practicing firing a small-caliber shotgun in the yard of the house belonging to his father, Jaime de Marichalar, the ex-husband of Princess Elena, when the accident happened.

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The accidental shooting occurred at Marichalar's house in the central province of Soria, the Royal Palace said.

Marichalar could face a fine for letting his son, who is not yet 14, handle a firearm.

The boy, who was with his father when he fired the double-barreled shotgun, received first aid at a hospital in Soria and was later taken to the Quiron clinic, located on the outskirts of Madrid, where doctors operated on his foot.

Princess Elena stayed with the boy at the hospital during the night, while his father left after the operation ended.

Queen Sofia visited her grandson on Tuesday morning.

"Children can scare you," Princess Elena told reporters outside the clinic.

"These things happen with children," Queen Sofia said.

The princess told reporters she was not with the boy when the accident happened and that Jaime de Marichalar told her "more or less" what happened.

"They were hunting," Queen Sofia said.

Felipe Juan Froilán is well, has eaten and is playing with his cell phone, the women said, adding that they were reassured by doctors that the boy would be fine.

Doctors said the teenager should remain at the clinic for a few days so he can recover from the wound.

Surgeons removed some of the buckshot that entered the front part of the boy's foot between his toes.

Jaime de Marichalar could face a fine of up to 3,000 euros ($3,925) for allowing his son to use a firearm without a license, which cannot be obtained until age 14.

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Felipe Juan Froilán, who is fifth in the line of succession to the Spanish Crown, will not turn 14 until July 17.

An investigation has not yet been opened, but a statement will be taken from Jaime de Marichalar if one is, Civil Guard spokesmen said.

Spanish media outlets reporting on Felipe Juan Froilán's accidental shooting noted that tragedy struck the royal family on Holy Thursday 1956 in Estoril, Portugal, where Alfonso de Borbon, King Juan Carlos's 14-year-old brother, died from a gunshot to the head.

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