At least 22 people, including seven children, have died off Turkey’s Aegean coast after a boat carrying migrants capsized, authorities said on Friday. A search for missing people is under way with rescue boats, aircraft and over 500 personnel, the governor’s office of the Aegean province Canakkale said in a statement. Two people on the boat managed to swim to safety and two others were rescued by the Turkish coastguard, it added, but exactly how many people were on board remains unclear. The boat sank early Friday, state news agency Anadolu said. The victims’ identities and the cause of the in…