England said Alexander-Arnold arrived with a back injury and "despite progress" it was unlikely he would be able to play in either fixture.
Liverpool's No.66 was due to represent his country in their upcoming matches against Czech Republic and Montenegro.
NZ police say mosque shootings death toll rises to 50
Brenton Tarrant, the prime suspect in the mass shooting at mosques in New Zealand, visited Pakistan as a tourist in October 2018. Parker later told Radio New Zealand that "he did not mean to go further than the prime minister ", Radio New Zealand reported.
The young right-back is struggling with a back injury and will miss both of England's European Championship qualifiers - against Czech Republic and Croatia - over the next week.
"The 20-year-old will now continue his rehabilitation at his club".
P.League - Chelsea rechute à Everton !
Les hommes de Maurizio Sarri ont été battus par Everton (2-0) ce dimanche à l'occasion de la 31e journée de Premier League . Dépités, les Blues n'essaieront même pas de revenir et s'inclinent face à une équipe efficace d'Everton .
With Alexander-Arnold's absence, Gareth Southgate could look to Kyle Walker or Kieran Trippier to play at right-back.
Alexander-Arnold is the fifth player to drop out of the squad, following Ruben Loftus Cheek, John Stones, Fabian Delph and Luke Shaw.
Samsung Galaxy A40 rumored for the April 10 event
The Samsung Galaxy A50 has an in-display fingerprint sensor, whereas the Samsung Galaxy A40 has a rear-facing fingerprint sensor. The Korean smartphone maker, first introduced Galaxy A30, and Galaxy A50 at MWC 2019 last month, and now unveiled Galaxy A20.