"The mosque should burn, a temple should be built", has been sprayed on the mosque, shows video footage from AP.
These slogans reflect their upbringing and hatred towards Palestinians and Arabs, says al-Khafash and adds that the settlers received "full support" from Prime Minister Benjamin Netanyahu's government.
"We take the incident seriously and will act with determination to bring those responsible to justice", they write in a joint statement.
The Israeli settler violence on the West Bank has increased during the war in Gaza, something that Israel's military, according to human rights groups, often turns a blind eye to.
