Before he was finally restrained, a police officer had drawn his gun.
25.7 victims per 10,000 women; the national figure is 16.6.
Arrest of a minor in connection with domestic violence.
The attack on the 52-year-old woman took place on Monday last week.
There has been an increase in other forms of domestic violence.
Spain is among the countries worst affected by the pandemic, with 9,053 deaths as of Wednesday.
The woman was being monitored by the National Police.
The argument occurred when she went to the property to collect her belongings.
The woman has apparently been threatened with a knife on previous occasions.
It took an hour to stabilise her before she was rushed to Son Espases Hospital in a critical condition.
Benita Anneli Buñola Sinkkonen was struck on the head and in the chest by her ex-husband.