CAIRO (Reuters) - At least 44 people were killed during protests across Egypt on Sunday, a security source and the state news agency said.

"So far the death toll is 44 and over 100 are injured," a security source told Reuters.

State news agency MENA put the number of wounded at 246 in clashes that erupted after supporters and opponents of deposed Islamist President Mohamed Mursi took to the streets.

(Reporting by Yasmine Saleh; Writing by Yara Bayoumy)