The Azovstal iron and steelworks has become a redoubt for Ukrainian forces in Mariupol

12 April - The Maxar satellite company claims to have observed evidence of battles at the site

The steel works lie in an industrial area that covers more than 4.25 sq miles (11 sq km)

Russian-controlled territory

Russian advances

3 km

3 miles

Mariupol

Detail above

Ukrainian forces, holed up in the heavily shelled complex, are surrounded by Russians

Kyiv

Mariupol

Russian-controlled territory

Russian advances

12 April - The Maxar satellite company claims to have observed evidence of battles at the site

3 km

3 miles

Mariupol

The steel works lie in an industrial area that covers more than 4.25 sq miles (11 sq km)

Ukrainian forces, holed up in the heavily shelled complex, are surrounded by Russians

Ukraine

Mariupol

Sea of Azov

Russia

Crimea